Percents

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 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.

Front

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

Back

The formula is: Percent = (Part/Whole) x 100.

Front

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

Back

The number is 200, because 50 = (25/100) x Number.

Front

How do you find the total amount if you know the percent and the part?

Back

Use the formula: Total = Part / (Percent/100).

Front

What is 10% of 200?

Back

10% of 200 is 20, because 0.10 x 200 = 20.

Front

How do you express 0.75 as a percent?

Back

0.75 can be expressed as 75% by multiplying by 100.

Front

What is the relationship between fractions, decimals, and percents?

Back

Fractions, decimals, and percents are different ways to represent the same value. For example, 1/2 = 0.5 = 50%.

Front

If a shirt costs $40 and is on sale for 25% off, what is the sale price?

Back

The sale price is $30, because 25% of $40 is $10, and $40 - $10 = $30.

Front

How do you calculate a tip as a percent of a bill?

Back

To calculate a tip, multiply the total bill by the tip percentage (as a decimal). For example, for a 20% tip on a $50 bill, calculate 50 x 0.20 = $10.