Multiplying and Dividing decimals

Paul bought a steak that weighs   $1\frac{2}{5}$  pounds. The price is $4.50 per pound. How much does the steak cost?

• $4.20

• $6.90

• $22.50

• $6.30

Mr. Ruiz is buying a carpet for his living room. The room has an area of 236.25 square feet. If the width of his room is 10½ feet, what is the length of the room?

• 22.5

• 23.4

• 2480.625

• 246.75

Jackie rode her bike around Jim Hogg Park last week. The trail is 8.4 miles long. If she rode around the park 4.5 times last week, how many miles did she travel in all?

• 1.86 miles

• 8.54 miles

• 37.8 miles

• 378.0 miles

Mrs. Fitzgerald has $2\ \frac{1}{4}$ cups of sugar. How many cakes can she make if each cake requires 0.75 cups of sugar?

• 1.5 cakes

• 14 cakes

• 3 cakes

• 2 cakes

A puppy weighed 3.5 pounds at birth. At the end of 6 months the puppy weighed $7\frac{1}{2}$ times its birth weight. How many pounds did the puppy weigh at the end of 6 months?

• 21 pounds

• 26.25 pounds

• 24.85 pounds

• 2 pounds