decimal operations

Adam spent $3.42 on orange juice. Orange juice costs $0.12 per ounce. How many ounces of orange juice did Adam buy?

Alexis rode her bike 4.5 miles. Johnny rode his bike 8.1 miles. How many more miles did Johnny ride his bike?

Phillip bought apples for $2.20 per pound. He bought 2.5 pounds on Monday and 1.2 pounds on Tuesday. How much did he spend in total?

Veri made $25 babysitting. If she makes $8 an hour, how many hours did she babysit?

What is the product of 0.5 and 3.5?

3.5 divided by 0.7

Calvin bought 20 pencils at $0.45 each. How much change did he get from a $10 bill?

0.4 × 0.25

David drives 40 miles in one hour. How many miles does he drive in 1.5 hours?

Shaniqua reads 275 pages at 50 pages per hour. How many hours does she read?