Percent Application Problems

Front

What is a percent?

Back

A percent is a way to express a number as a fraction of 100. It is often used to compare ratios and express how much of something there is in relation to 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 75, calculate 75 x 0.20 = 15.

Front

What does it mean to find a discount?

Back

Finding a discount means calculating how much money you save when a price is reduced. For example, if an item costs $15 and has a 20% discount, you save $3.

Front

How do you find the total cost after applying a discount?

Back

To find the total cost after applying a discount, subtract the discount amount from the original price. For example, if an item costs $15 and has a $3 discount, the total cost is $15 - $3 = $12.

Front

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

Back

The formula is: (Part/Whole) x 100 = Percentage. For example, if 3 out of 30 kids forgot their report cards, the percentage is (3/30) x 100 = 10%.

Front

What is 20% of 75?

Back

15

Front

Sarah earns $20 a day and spends 30% of her earnings. How much does she spend?

Back

$6

Front

If a bag costs $15 and has a 20% off coupon, how much do you pay?

Back

$12

Front

What is 30% of 50?

Back

15

Front

In a class of 30 kids, if 3 forgot their report cards, what percent is that?

Back

10%.