7.RP.3 Percents Flashcard

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 sales tax?

Back

To calculate sales tax, multiply the cost of the item by the sales tax rate (as a decimal).

Front

What is the formula to calculate the total cost including tax?

Back

Total Cost = Cost of Item + (Cost of Item × Sales Tax Rate)

Front

How do you calculate a tip based on a percentage?

Back

To calculate a tip, multiply the total bill by the tip percentage (as a decimal).

Front

What is the formula to calculate the total cost including tip?

Back

Total Cost = Bill Amount + (Bill Amount × Tip Percentage)