Percent of a Number

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 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 10% of 200?

Back

20

Front

What is 25% of 80?

Back

20

Front

What is 75% of 60?

Back

45

Front

If 30% of a number is 90, what is the number?

Back

300 (because 90 is 30% of 300).

Front

What is the formula to find the percentage of a number?

Back

Percentage = (Part / Whole) * 100.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide by 100. For example, 25% = 0.25.

Front

What is 5% of 500?

Back

25

Front

If a shirt costs $40 and is on sale for 20% off, what is the sale price?

Back

$32 (because 20% of $40 is $8, and $40 - $8 = $32).