3.2.10 Percentages Flashcard Review

Front

What is a percentage?

Back

A percentage is a way of expressing a number as a fraction of 100. It represents how much of something there is out of a total.

Front

How do you convert a percentage to a decimal?

Back

To convert a percentage to a decimal, divide the percentage by 100. For example, 58% becomes 0.58.

Front

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

Back

The formula is: (percentage as a decimal) x (whole number) = part.

Front

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

Back

Use the formula: (part / whole) x 100 = percent.

Front

What is 150% as a decimal?

Back

150% as a decimal is 1.5.

Front

If a scarf originally costs $20 and is on sale for $8, what is the discount?

Back

The discount is $20 - $8 = $12.

Front

How do you calculate the percent discount?

Back

Percent discount = (amount saved / original price) x 100.

Front

What is 75% of 20?

Back

75% of 20 is 15.

Front

If Priya made 12 free throws yesterday, how many did she make if she made 150% of that today?

Back

Priya made 18 free throws today.

Front

What is 150% of 32?

Back

150% of 32 is 48.