Percent Proportion

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 a percentage of a number?

Back

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

Front

What is the formula for finding the total when given a part and a percent?

Back

The formula is: Total = Part / (Percent in decimal form). For example, if 24 is 48%, then Total = 24 / 0.48 = 50.

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 multiply by 100. For example, 3/4 = (3 ÷ 4) * 100 = 75%.

Front

What is the percent proportion?

Back

The percent proportion is a way to express the relationship between a part and a whole in terms of percentage. It is often written as Part/Whole = Percent/100.

Front

If 15 out of 25 boys chose to go swimming, what percent is that?

Back

60%.

Front

What is 5% of 200?

Back

5% of 200 is 10.

Front

How do you find what percent one number is of another?

Back

To find what percent one number is of another, divide the first number by the second number and multiply by 100. For example, to find what percent 30 is of 150, calculate (30 ÷ 150) * 100 = 20%.

Front

What is 30% of $20?

Back

30% of $20 is $6.

Front

If Sarah earns $20 a day and spends 30% of it, how much does she spend?

Back

She spends $6.