Part, Whole and Percent

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 to find the whole when given a part and a percent?

Back

The formula is: Whole = Part / (Percent / 100). For example, if 15 is 30% of a number, the whole is 15 / 0.30 = 50.

Front

What is 50% of 200?

Back

100

Front

If 80 is 40% of a number, what is the number?

Back

200

Front

What is 25% of 160?

Back

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 multiply by 100. For example, 1/4 = (1 ÷ 4) * 100 = 25%.

Front

What is 10% of 90?

Back

9

Front

If 15 is 60% of a number, what is the number?

Back

25

Front

What is 75% of 120?

Back

90