Percent Word Problems

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 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 25% of 36, calculate 36 * 0.25 = 9.

Front

What is the formula to find the total amount when given a percentage and the part?

Back

The formula is: Total = Part / (Percentage in decimal form). For example, if 9 is 25% of a total, then Total = 9 / 0.25 = 36.

Front

How do you find the sale price after a discount?

Back

To find the sale price, subtract the discount amount from the original price. Discount amount = Original Price * (Discount Percentage in decimal form).

Front

What is a discount percentage?

Back

A discount percentage is a reduction from the original price, expressed as a percentage of that price.

Front

If an item costs $120 and has a 25% discount, what is the discount amount?

Back

The discount amount is $120 * 0.25 = $30.

Front

What is the sale price of an item after applying a 25% discount on a $120 item?

Back

Sale Price = Original Price - Discount Amount = $120 - $30 = $90.

Front

How do you calculate tax on a purchase?

Back

To calculate tax, multiply the total purchase amount by the tax rate (in decimal form). For example, for a $44 purchase with a 6.16% tax, Tax = $44 * 0.0616 = $2.71.

Front

What does it mean if a value is a certain percentage of another value?

Back

It means that the first value is that fraction of the second value. For example, if 9 is 25% of 36, then 9 is one-fourth of 36.

Front

How do you convert a percentage to a decimal?

Back

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