3.4 - Multiplying Rational Numbers

Annie bought 20 pounds of hamburger meat. What is the maximum number of 1/3 pound burgers she can make from the meat?

• 20

• 40

• 60

• 80

A plane is flying at 2,000 feet and starts to descend 50 feet every 10 seconds. What will the altitude be of the plane after one minute?

• 500 feet

• 1,500 feet

• 1,950 feet

• 1,450 feet

Juan was competing in a 1,000 meter race. He had to pull out of the race after running 7/8 of it. How many meters did he run?

• 780 meters

• 875 meters

• 1,875 meters

• 1,780 meters

The Acme Aluminum Can Company sells its aluminum cans by the pound. A case of cans weighs 14 pounds. If another company orders 18 cases of aluminum cans, how many pounds will they receive?

• 252

• 248

• 262

• 270

Stella owes Mark 3/4 of a dollar. She pays him 3/5 of what she owes. What fraction of a dollar does Mark receive from Stella?

• 27/20

• 9/20

• 7/20

• 2/3

The school buys pencils in bulk and sells them to students for a small profit. The school pays $2.00 for 100 pencils and sells them for 10 cents each. How many pencils would they have to sell to make a profit of $72?

• 600

• 700

• 800

• 900

Mia has a bread machine that makes a loaf of bread that weighs 2 and 1/2 pounds. If she makes a loaf of bread for each of her three sisters, how many pounds of bread will she make?

• 7

• 7 and 1/2

• 8

• 8 and 1/2