7th Grade Chapter 2 Test

Front

8 is what percent of 64?

Back

12.5%

Front

Find the total cost or sale price to the nearest cent. $30 bat; 15% discount

Back

$25.50

Front

Find the total cost or sale price to the nearest cent. $6.95 lunch; 20% tip

Back

$8.35

Front

Kenzie bought a shirt for $18. The next day she saw the shirt was selling for $24.60. What is the percent of change?

Back

36.67%

Front

Last year, Sandro bought a book for $13.89. This year the same book cost $15.79. What was the percent of change?

Back

12.05%

Front

What is the formula to calculate percent change?

Back

Percent Change = ((New Value - Old Value) / Old Value) * 100

Front

How do you calculate a percentage of a number?

Back

Percentage = (Part / Whole) * 100

Front

What is a discount?

Back

A reduction in the price of a product or service.

Front

How do you calculate the sale price after a discount?

Back

Sale Price = Original Price - (Original Price * Discount Rate)

Front

What is a tip?

Back

A small amount of money given to someone for their service, usually a percentage of the total bill.