Chapter 4 - Multiply Decimals

Herald bought 7 grapefruits at the store. Each grapefruit weighed 2.3 pounds. What was the total weight of the grapefruit that Herald bought?

• 14.3 lbs

• 16.1 lbs

• 17.1 lbs

• 18.1 lbs

Donald is reducing the size of a photo to put in the yearbook. The original photos is 4,075 pixels large. If he needs the photo to be 1/100 of the actual size, how large is the photo in the yearbook?

• 4.075 pixels

• 40.75 pixels

• 407.5 pixels

• 0.4075 pixels

At the book store, it costs $2.35 for a magazine and $7.68 for a picture book. Mr. Holloway bought 2 magazines and 3 picture books. How much will he pay for everything?

• $10.03

• $25.39

• $12.38

• $27.74

Carl's new bathtub can hold 75 gallons of water. If each gallon of water weighs 3.8 kilograms. How much will the water in the bathtub weigh?

• 28.5 kilograms

• 285 kilograms

• 26.6 kilograms

• 266 kilograms

Shauna's bought a new chair that is 13.6 inches long. She also bought a matching couch that is 5.4 times as long. How long is the couch?

• 19 inches

• 7.344 inches

• 73.44 inches

• 734.4 inches

Charlie is organizing flyers for her new organization. She needs to make 1,000 flyers. Each copy costs $0.17. How much will the cost of all the flyers be?

• $1.70

• $17

• $170

• $1,700

Flora, Holly and James are going to the local fair. Flora spent $12.34 at the fair. Holly spent $4.50 more than Flora spent. James spent 3 times as much as Holly. How much money did James spend?

• $16.84

• $50.52

• $37.02

• $41.52

Dennis uses 0.5 yards of fabric to make a scarf. He wants to make a scarf for his dog and will need 0.8 times as much fabric to make it. How much fabric does he need?

• 0.4 yards

• 0.04 yards

• 4.00 yards

• 40 yards

Kyle is building a lego set model of a chair. The original chair is 4.5 feet tall. The model is 1/10 of the size of the original chair. How big is the lego chair model?

• 45 feet

• 0.45 feet

• 4.5 feet

• 450 feet

Jenny is at the grocery store to buy oranges. Oranges cost $1.45 per pound. Jenny bought 7 oranges that weighed 4.4 pounds in total. How much did the oranges cost?

• $10.15

• $6.38

• $30.80

• $5.85