Unit 3 Ratios & Proportions Practice Questions

A zoo has 19 monkeys and 10 chimpanzees. What is the ratio of chimpanzees to monkeys?

• 19 : 10

• 10 : 19

• 10 : 29

• 19 : 29

Based on the table, what is the ratio of people whose favorite pet is a dog to the total number of people in simplest form?

• 5 : 1
• 9 : 15
• 1 : 5
• 15 : 9

A car is traveling at a rate of 212 kilometers in 6 hours. Find the unit rate of the car rounded to the hundredths place.

• 0.03 kilometers per hour
• 35.33 kilometers per hour
• 30.29 kilometers per hour
• 42.4 kilometers per hour

Jason bought 4 gallons of water at $1.12 per gallon. What is his total cost?

• $5.12
• $6.18
• $4.48
• $0.28

Mr. Allen wants to buy a can of peaches. Can A contains 12 ounces and costs $1.20. Can B contains 16 ounces and costs $1.44. Which choice below represents the unit cost of the can that is the better buy?

• $0.10 per oz
• $0.08 per oz
• $0.09 per oz
• $0.12 per oz

Morgan scored 35 points in 7 games. At this rate, how many points would you expect him to make in an 11 game season?

• 39
• 22
• 55
• 52

A truck needs 7 gallons of fuel to travel 56 miles. Which proportion below can be used to find how many miles the truck can travel with 16 gallons of fuel?

Alex spent 9 hours working as a lifeguard and earned $148.50. At this rate, how many hours does he have to work to earn $330?

• 20 hours

• 36 hours

• 18 hours

• 16 hours

Solve the proportion for x

• 48
• 30
• 45
• 22