Percent Problems

Front

What is a percent?

Back

A percent is a ratio expressed as a fraction of 100. It represents a part of a whole.

Front

How do you calculate a percentage of a number?

Back

To calculate a percentage of a number, multiply the number by the percentage (in decimal form). For example, to find 20% of 50, calculate 50 * 0.20 = 10.

Front

What does it mean if 10 is 40% of 25?

Back

It means that 10 is 40 out of every 100 parts of 25.

Front

How do you find what percent one number is of another?

Back

Divide the part by the whole and multiply by 100. For example, to find what percent 12 is of 600, calculate (12/600) * 100 = 2%.

Front

What is 1% of 100?

Back

1% of 100 is 1.

Front

If 4 is 8% of a number, how do you find that number?

Back

To find the number, divide 4 by 0.08. So, 4 / 0.08 = 50.

Front

What is 35% of 20?

Back

35% of 20 is 7.

Front

Is 1% of 10 equal to 7?

Back

No, 1% of 10 is 0.1.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the top number by the bottom number and multiply by 100. For example, 1/4 = 0.25 * 100 = 25%.

Front

What is the formula for finding the percentage increase?

Back

Percentage increase = ((new value - old value) / old value) * 100.