Percent of a Number

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 the percent of a number?

Back

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

Front

What is 50% of a number?

Back

50% of a number is half of that number. For example, 50% of 80 is 40.

Front

How do you convert a fraction to a percent?

Back

To convert a fraction to a percent, divide the numerator by the denominator and then multiply by 100. For example, 1/4 = (1 ÷ 4) * 100 = 25%.

Front

What is 25% of 200?

Back

25% of 200 is 50.

Front

If 60% of a class of 30 students passed a test, how many students passed?

Back

18 students passed the test (30 * 0.60 = 18).

Front

What is 10% of 150?

Back

10% of 150 is 15.

Front

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

Back

To find the total, divide the part by the percent (in decimal form). For example, if 30 is 20% of a number, the total is 30 ÷ 0.20 = 150.

Front

What is 75% of 240?

Back

75% of 240 is 180.

Front

If a store is having a 30% off sale on a $50 item, how much do you save?

Back

You save $15 (30% of 50 = 0.30 * 50 = 15).