Solving Percent Problems

Front

What is a percent?

Back

A percent is a way of expressing a number as a fraction of 100. It is denoted by the symbol '%'. For example, 25% means 25 out of 100.

Front

How do you calculate a percent of a number?

Back

To calculate a percent of a number, multiply the number by the percent (in decimal form). For example, to find 25% of 80, calculate 80 x 0.25 = 20.

Front

What is 25% of 80?

Back

20

Front

What is 15% of 82?

Back

12.3

Front

How do you find the percent of a total that was missed?

Back

To find the percent missed, subtract the number of successful attempts from the total attempts, then divide by the total attempts and multiply by 100. For example, if 27 out of 30 attempts were successful, then 3 were missed. (3/30) x 100 = 10%.

Front

What percent of 30 field goals did Blair Walsh miss if he made 27?

Back

10%

Front

What is 30% of 50?

Back

15

Front

How do you convert a percent to a decimal?

Back

To convert a percent to a decimal, divide the percent by 100. For example, 25% becomes 0.25.

Front

What is the formula to find the percent increase?

Back

Percent Increase = ((New Value - Original Value) / Original Value) x 100.

Front

What is the formula to find the percent decrease?

Back

Percent Decrease = ((Original Value - New Value) / Original Value) x 100.