91Ó°ÊÓ

Find the unit rate. \(\$ 1.39\) for \(1 \frac{1}{2}\) quarts of juice

State the inverse operation. Add 28

State the inverse operation. Add 17

State the inverse operation. Divide by 6.

State the inverse operation. Multiply by \(-2\)

Solve the equation. $$3 x-1=8$$

A store sells a box of 5 frozen yogurt bars for \(\$ 1.20 .\) The store also sells a box containing 7 of the same frozen yogurt bars for \(\$ 1.59 .\) Which is the better buy? Explain how you decided.

Find the average rate as indicated. The United States postal service receives 38 million changes of address per year. Find the rate per day. Round to the nearest thousand.

Find the average rate as indicated. \(1,100,000,000\) miles are driven to move the mail in the United States per year. Find the rate per week. Round to the nearest million miles.

Solve the equation. Round the result to the nearest hundredth. Check the rounded solution. $$ 18-3 y=5 $$