Unit 3 Review

• True

• False

The Percent Equation is percent × part = whole

• True

• False

Increasing the cost of an item by 10% and then afterwards reducing the increased price by 10% would yield back the original price.

• True

• False

The retail price is the amount a merchant pays for the merchandise he will sell

• True

• False

A tip is an amount paid for a personal service

• True

• False

A statement of equality between two ratios is called a

• product

• property

• proportion

Convert 15¢/oz to dollars per pound.

• $2.40/lb

• $24.00/lb

• $93.75/lb

• $106.67/lb

• $1.07/lb

Which is the best buy?

• a three-roll package of paper towels at $1.59 per package

• a twelve-roll package of paper towels at $4.99 per package

• a package of six double rolls of paper towels at $4.59 per package

• a package of eight double rolls of paper towels at $5.59 per package

Which choice is not equivalent to the other four choices?

• 74%

• 0.74

Find the percent change from 75 to 150.

• 50%

• 75%

• 100%

• 200%

• none of these