91Ó°ÊÓ

In the following exercises, find the unit rate. Round to two decimal places, if necessary. 527 miles in 9 hours

In the following exercises, find the unit rate. Round to two decimal places, if necessary. \(\$798 \text { for 40 hours}\)

In the following exercises, find the unit price. Round to the nearest cent. CD-RW discs at 25 for \(\$ 14.99\)

In the following exercises, find each unit price and then identify the better buy. Round to three decimal places. Toothpaste, 6 ounce size for \(\$ 3.19\) or 7.8 -ounce size for \(\$ 5.19\)

In the following exercises, find each unit price and then identify the better buy. Round to three decimal places. Breakfast Cereal, 10.7 ounces for \(\$ 2.69\) or 14.8 ounces for \(\$ 3.69\)

In the following exercises, find each unit price and then identify the better buy. Round to three decimal places. Ketchup, 40 -ounce regular bottle for \(\$ 2.99\) or 64 -ounce squeeze bottle for \(\$ 4.39\)

The average American produces about \(1,600\) pounds of paper trash per year \((365\) days. How many pounds of paper trash does the average American produce each day? (Round to the nearest tenth of a pound.)

A 16 -ounce chocolate mocha coffee with whipped cream contains 470 calories, 18 grams of fat, 63 grams of carbohydrates, and 15 grams of protein. Find the unit rate of (a) calories per ounce (b) grams of fat per ounce (c) grams of carbohydrates per ounce (d) grams of protein per ounce.

In the following exercises, estimate each square root between two consecutive whole numbers. $$ \sqrt{172} $$

In the following exercises, simplify. (Assume all variables are greater than or equal to zero.) $$ \sqrt{49 x^{2}} $$