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 '%'.

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 50% of a number?

Back

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

Front

What is 25% of a number?

Back

25% of a number is one quarter of that number. For example, 25% of 100 is 25.

Front

What is 10% of a number?

Back

10% of a number can be found by dividing the number by 10. For example, 10% of 90 is 9.

Front

If 75% of a class are girls and there are 20 students, how many are girls?

Back

15 girls (75% of 20 is 15).

Front

If 40% of a jar contains jellybeans and there are 55 jellybeans, how many are jellybeans?

Back

22 jellybeans (40% of 55 is 22).

Front

If Ashton has saved 60% of $120, how much has he saved?

Back

$72 (60% of $120 is $72).

Front

How much more does Ashton need to save if he needs $120 and has saved $72?

Back

$48 (He needs $120 - $72 = $48 more).

Front

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

Back

180 votes (75% of 240 is 180).