Percents

Front

What is a percent?

Back

A percent is a way to express 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 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 200, calculate 200 x 0.25 = 50.

Front

What is 75% of 64?

Back

48

Front

If there are 24 students in a class and 75% are boys, how many are girls?

Back

6

Front

Marianne found 24 quarters, which is 75% of her original amount. How many quarters did she originally have?

Back

32

Front

What is 25% of 120?

Back

30

Front

Tamara wants 40% of 200 cartons to be grape juice. How many cartons should she order?

Back

80

Front

What does it mean if a number is increased by a certain percent?

Back

It means to add that percent of the original number to itself. For example, increasing 100 by 20% means adding 20 (which is 20% of 100) to 100, resulting in 120.

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 = 0.25 x 100 = 25%.

Front

What is the formula to find the percent increase?

Back

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