12 is what percent of 4,000

Answers

Answer 1

Answer: Answer=0.3%

12 x
____=____
4000 100

cross multiply
4000x=1200
divide both sides by 4000
x=0.3
Answer= 0.3%

Answer 2

Answer: Answer is 4000*12/1000
or simply 4000*0.12 = 480

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in one day a movie store rented out 20 comedies. if the ratio of comedies rented to action movies rented was 4:3, how many action movie were rented ?

Answers

One way to solve is to set up a proportion. If the ratio of comedies to action is 4:3 (also can be written as the fraction 4/3) then you can set 4/3 equal to 20/x.

4/3 = 20/x

then cross multiply.

4·x = 3·20

4x = 60 Then divide both sides by 4

x= 15

the answer is 15 action movies were rented

What 2 whole numbers would the fraction 9/4 fall between?

Answers

Answer:

2 and 3

Step-by-step explanation:

9/4=2.25

How do you find percentages?

Answers

To calculate percentage increase, use the following method:

First, Work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number

Now, divide the increase by the original number and multiply the answer by 100.

% increase = Increase ÷ Original Number × 100.

Also, If your answer is a negative number it is a percentage decrease.

To calculate percentage decrease, use this method:

First, Work out the difference (decrease) between the two numbers you are comparing.

Decrease = Original Number - New Number

Then, divide the decrease by the original number and multiply the answer by 100.

% Decrease = Decrease ÷ Original Number × 100

Also, If your answer is a negative number then it is a percentage increase.

If you wish to calculate the percentage increase or decrease of several numbers then I recommend using the first formula. Positive values indicate a percentage increase whereas negative values indicate percentage decrease.

keisha got a fish tank. It fits on table that is exactly 10 inches wide and 12 inches long. When the tank is filled, it can hold 1,800 cubic inches of water. What is the height of Keisha's fish tank?