Percents

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, 50% means 50 out of 100.

Front

How do you convert a fraction to a percent?

Back

Front

What is the formula to find the percent of a number?

Back

The formula to find the percent of a number is: Percent = (Part/Whole) × 100. For example, to find what percent 20 is of 50, use: Percent = (20/50) × 100 = 40%.

Front

How do you find the total when given a percent and a part?

Back

To find the total when given a percent and a part, use the formula: Total = Part / (Percent/100). For example, if 30 is 60%, then Total = 30 / (60/100) = 50.

Front

What is 75% of 200?

Back

To find 75% of 200, multiply 200 by 0.75: 200 × 0.75 = 150.

Front

How do you compare fractions, decimals, and percents?

Back

Front

What is the relationship between fractions and percents?

Back

Front

If 15 out of 60 students passed a test, what percent passed?

Back

To find the percent, use the formula: Percent = (15/60) × 100 = 25%.

Front

How do you calculate the percent increase?

Back

To calculate the percent increase, use the formula: Percent Increase = ((New Value - Old Value) / Old Value) × 100.

Front

What is the percent decrease if a price drops from $50 to $30?

Back

Percent Decrease = ((50 - 30) / 50) × 100 = 40%.