Percent Proportions

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 the percent of a number?

Back

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

Front

What does it mean if you have 100% of something?

Back

You have the entire amount.

Front

What is the formula to find the percent of a part compared to a whole?

Back

Percent = (Part / Whole) * 100.

Front

What percent of 90 is 9?

Back

10%.

Front

What percent of 145 is 29?

Back

20%.

Front

40% of what number is 36?

Back

90.

Front

What is 40% of 230?

Back

92.

Front

If 25% of a number is 50, what is the number?

Back

200.

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.