Percent of a Number

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, 30% means 30 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 20% of 50, calculate 50 * 0.20 = 10.

Front

What is 30% of 130?

Back

30% of 130 is 39. (Calculation: 130 * 0.30 = 39)

Front

If 30% of a number is 39, what is the number?

Back

The number is 130. (Calculation: 39 ÷ 0.30 = 130)

Front

What is 90% of 250?

Back

90% of 250 is 225. (Calculation: 250 * 0.90 = 225)

Front

How do you find the number of items that do not meet a percentage?

Back

To find the number of items that do not meet a percentage, subtract the number of items that do meet the percentage from the total number of items.

Front

If James received 75% of 240 votes, how many votes did he receive?

Back

James received 180 votes. (Calculation: 240 * 0.75 = 180)

Front

What is 12% of 150?

Back

12% of 150 is 18. (Calculation: 150 * 0.12 = 18)

Front

If Mrs. Patric bought 15 expo markers and 20% were black, how many were black?

Back

3 markers were black. (Calculation: 15 * 0.20 = 3)

Front

If there are an equal number of black and blue markers, how many blue markers are there?

Back

There are 3 blue markers, since there are 3 black markers.