How do you find the whole in percent problems

Answers

Answer 1

Answer:

So essentially, you are trying to find what the overall whole is based off of a number that is the percent of the number. In order to do this, you must turn your percentage into a fraction over 100. You are going to then create the number that is a percentage of another number into a fraction over "x". Cross multiply the two fractions. Since there is an "x", count is as a zero. Now, create a fraction with the numerator as the number you just got from multiplying, and the denominator as the number you have to refer to as the percent of the whole. Since fraction is division, divide the two numbers and you get your answer. Sorry if this is so complex I tried to simplify it as best as I could

Step-by-step explanation:

Example: 8 is 80% of what number?

80% to 80/100

8 to 8/x

*cross multiply*

80x/80 = 800/80

800 divided by 80 is 10.

so, 8 is 80% percent of 10.


Related Questions

Enter the coordinates where P' should be.

Answers

Answer:

2, -2

Step-by-step explanation:

i have already learned this

Answer:

(-2 , -2)

Step-by-step explanation:

The ratio of the number of boys to the number of girls I just school is 5 to 8 if there are 208 students in the school how many girls can you expect

Answers

Answer:

128 girls

Step-by-step explanation:

boys : girls = 5 : 8

Number of boys  = 5x

Number of girls = 8x

Total students  = 208

5x + 8x = 208

       13x = 208

           x = 208/13

x =  16

Number of girls = 8x = 8 * 16 = 16 * 8

                         = 128

Answer:

12

Step-by-step explanation:

7. Given a right triangle as shown below, use a calculator to estimate the length of the
missing side to the nearest tenth of a centimeter

Answers

Answer:

D. 11.6 cm

Step-by-step explanation:

The missing length of the right angled triangle can be calculated using Pythagorean Theorem as shown below:

[tex] c^2 - b^2 = a^2 [/tex]

Where,

a = x cm

b = 11 cm

c = 16 cm

Thus:

[tex] 16^2 - 11^2 = x^2 [/tex]

[tex] 256 - 121 = x^2 [/tex]

[tex] 135 = x^2 [/tex]

[tex] \sqrt{135} = \sqrt{x^2} [/tex]

[tex] \sqrt{135} = x [/tex]

[tex] 11.61895 = x [/tex]

[tex] x = 11.6 cm [/tex] (nearest tenth)

Answer:

Step-by-step explanation:

11.16


4950/6 + 112 x 1.75 = ? x 2​

Answers

Answer:

1021

Step-by-step explanation:

Answer:

1021 is the answer to this question

A pair of $72 sneakers is marked with a sign $20 OFF or 20% OFF: The $20 of final price is​

Answers

Answer:

52

Step-by-step explanation:

i did the test.

i’ll mark brainlest:( i need help!

Answers

Answer: Choice A)  [tex]3 \sqrt{26}[/tex]

==================================================

Work Shown:

[tex]\text{The two points are } (x_1,y_1) = (6,7) \text{ and } (x_2,y_2) = (3,-8)\\\\d = \text{Distance between } (x_1,y_1) \text{ and } (x_2,y_2)\\\\d = \sqrt{(x_1-x_2)^2+(y_1-y_2)^2} = \text{Distance Formula}\\\\d = \sqrt{(6-3)^2+(7-(-8))^2}\\\\d = \sqrt{(6-3)^2+(7+8)^2}\\\\[/tex]

[tex]d = \sqrt{(3)^2+(15)^2}\\\\d = \sqrt{9+225}\\\\d = \sqrt{234}\\\\d = \sqrt{9*26}\\\\d = \sqrt{9}*\sqrt{26}\\\\d = 3\sqrt{26}\\\\[/tex]

When going from 234 to 9*26, the idea here is to factor where one factor is the largest perfect square possible. That way we can use the rule [tex]\sqrt{x*y} = \sqrt{x}*\sqrt{y}[/tex] to break up the root and simplify.

multiply the complex number by this complex conjugate.
16. 8+i
17. 3 - 2i
18. -7- 5i

Answers

8xi=16 to explain your answer

x/3-1/2=5/6 solve for the variable

Answers

Answer:

4/3 - 1/2= 5/6 hope this helped

Thirty-seven school buses arrived at the zoo, each carrying thirty-seven to forty-three students per bus.
Estimate the number of students visiting the museum.

A: 16,000
B: 160
C: 1,600
D: 160,000

Answers

Answer:

C 1,600

Step-by-step explanation:

because If you multiply 37*43 It will get you 1591 and it's asking for the estimated answer which is 1600

Some one plz help this is a wuick question

Answers

the answer is c

3.3 x10 restu power minus 3


Dylan mowed three lawns for $45. Determine the cost per lawn

Answers

Answer:

15 dollars per lawn

Step-by-step explanation:

45 divided by 3= 15

Answer:

He earned $45 dollars when he mowed 3 lawns.

So get 45 and divide it by 3.

That's 15.

So Dylan earned $15 per lawn.

Hope this helped!!

On a lunch counter, there are 3 oranges, 5 apples, and 2 bananas. If 3 pieces of fruit are selected, find the probability that 1 orange, 1 apple, and 1 banana are selected (does not have to be in that order).

Answers

Answer:

[tex]Probability = \frac{1}{24}[/tex]

Step-by-step explanation:

Given

[tex]Oranges = 3[/tex]

[tex]Apples = 5[/tex]

[tex]Banana = 2[/tex]

[tex]Total = 10[/tex]

Required

Determine the probability of 1 orange, 1 apple and 1 banana

Since, order is not important:

[tex]Probability = P(Orange) * P(Apple) * P(Banana)[/tex]

[tex]Probability = \frac{3}{10} * \frac{5}{9} * \frac{2}{8}[/tex]

The difference in the numerator is as a result of picking the fruit without replacement

[tex]Probability = \frac{30}{720}[/tex]

[tex]Probability = \frac{1}{24}[/tex]

Probability is simply how likely something is to happen.

The probability of 1 orange, 1 apple, and 1 banana are  [tex]\frac{1}{24}[/tex]

On lunch counter,

Number of oranges = 3

Number of apples = 5

Number of bananas = 2

If 3 piece of fruit is selected then, probability of 1 orange, 1 apple and 1 banana

                          [tex]=\frac{3}{10}*\frac{5}{9} *\frac{2}{8} \\\\=\frac{30}{720}\\\\=\frac{1}{24}[/tex]

Therefore, the probability of  selecting 1 orange, 1 apple, and 1 banana are [tex]\frac{1}{24}[/tex]

Learn more:

https://brainly.com/question/15589719

Two different box-filling machines are used to fill cereal boxes on an assembly line. The critical measurement influenced by these machines is the weight of the product in the boxes. Engineers are quite certain that the variance of the weight of product is 1 ounce. Experiments are conducted using both machines with sample sizes of 36 each. The sample averages for machines A and B are 4.5 ounces and 4.7 ounces respectively. Engineers are surprised that the two sample averages for the filling machines are so different. a. Use the CLT to determine the distribution of �$! − �$ ". b. What is �(�$! − �$ " ≥ 0.2)?

Answers

Answer:

0.1981

Step-by-step explanation:

See attachment for calculation

find the slope of the graphed line​

Answers

Answer:

rise over run

Step-by-step explanation:

In this case it is undefined

Choose the true statement.

Answers

The first one is the correct one

Answer:

-8 < 8

Step-by-step explanation:

-8 is less than 0 so it is definitely less than 8

Hope this helped :)

1 bag of grape tomatoes coast $3 how many packages can you buy for $15

Answers

Answer:

5 package

Step-by-step explanation:

1 bag = $3

X bag = $15

1 * 15/3 = 5 bags

hence : 5 bag can be bought out of $15

       

Find the equation of the line khan academy slope intercept equation from the graph
PLEASE HELP!!!

Answers

y= 3/4x - 2
I hope this helps!!!

What is the slope of a line parallel to a line whose slope is 5/2?

Answers

Answer:

5/2

Step-by-step explanation:

Parallel lines have the same slopes

Answer:

Step-by-step explanation:

because the new line is parallel, it will have the same slope as the original equation.

slope

=

3

we know the slope and a point, so we can use the point slope formula:

y

y

1

=

m

(

x

x

1

)

y

1

is the y coodinate,

x

1

is the x coordinate,

and m is the slope

plug the values in

y

+

2

=

3

(

x

+

5

)

I need help with this ASAP !! I’m failing !!!

Answers

Answer:

c=130,b=50

Step-by-step explanation:

[tex]c = 180 - 50 = 130[/tex]

[tex]b = 180 - 130 = 50[/tex]

i think this is the answer

Intro:

Hello!!! Princess Sakura here ^^

Step-by-step explanation:

<b and 50° are vertical angles so that means they are congruent.  So that means <b is 50.

<c and 50° are supplementary angles which means when you add them you should get 180. So if do 180 - 50 we will get 130. So that means <c is 130°.

can u solve this please? 18x-2 = 17x +2

Answers

Answer:

Step-by-step explanation:

18x-2 = 17x +2

⇒18x-17x - 2  = 2

⇒x - 2 = 2

∴ x = 4

Answer:

x=4

Step-by-step explanation:

18x-2=17x+2

step 1: isolate the x by subtracting 17x from both sides

18x-2-17x=17x+2-17x

x-2=2

then add 2 to both sides

x-2+2 = 2+2

x=4

I need help on it pls​

Answers

Answer:

6

Step-by-step explanation:

26+32=58 and if there is 58 kids then they would need 6 vans but one van is holding 8 kids

Answer:

6 vans / in the first 5 10 kids in each and in the 6th van only 8 kids.

Step-by-step explanation:

1.) 26+32=58

2.) 58 divided by 10=5 8/10=6vans

brainliest pls B) hope i help

Which point represents the opposite of –2?

A number line going from negative 5 to positive 5. Point A is at negative 2, point B is between negative 1 and 0, point C is between 0 and 1, and point D is at 2.
A
B
C
D

Answers

I would say point D is the opposite of -2 because the opposite is positive 2 which is show at point D

Answer:

D

Step-by-step explanation:

I did this already

The sign of the product of –35 and –625 is

Answers

Answer:

positive

Step-by-step explanation:

positive

negative*negative=positive

-35*-625=21875

Jada is putting a border around her rectangular garden. The garden is 12.63 meters long and 3.28 wide. Jada estimates the perimeter of her garden by rounding the length and width to the nearest whole number. What equation shows

Answers

Answer:

12.63 rounded to 13 and 3.28 rounded to 3 the perimeter is 32

The Area of a rectangle is 70 cm²
What could be the perimeter of the rectangle?
Type Out The Answer.
A) 7 cm
B) 9 cm
C) 12 cm
D) 26 cm
E) 34 cm
GOOD LUCK​

Answers

Answer:

D

Step-by-step explanation:

Answer:

E.

Step-by-step explanation:

Area=7*10=70

Perimeter=7+7+10+10=34

what is 2(3x+4)=x-7​

Answers

the answer to your question is x=-3

Assuming the butterflies traveled 3000 miles to reach their winter home, they averaged 60 miles per day and flew for an average of 8 hours per day.

What is there average speed per hour?

How many days would it take for them to reach their destination?

Answers

Answer:

1. 7.5 mph

2. 400

Step-by-step explanation:

1. You would just do 60/8 to find the answer.

2. You would take the answer you got from the previous question and do 3000/7.5

Hope I helped!! :)

What value of a will make the following equation true?

Answers

Answer:

a=16

Step-by-step explanation:

Answer:

A=4

Step-by-step explanation:

Which fraction is not equivalent to 9/12

PLEASE SOMEBODY HELP ASAP

Answers

Answer:

15/20 I am studying with international schooling so you can ask me anything anytime

Answer:

16/24 is NOT equivalent to 9/12

Step-by-step explanation:

9/12 ÷ 3 = 3/4

3/4 × 2 = 6/8

3/4 × 5 = 15/20

3/4 × 8 = 24/32

this is an simplified or not?

[tex] \frac{3}{x - 5?} [/tex]

Answers

yes it is simplified, good job!
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