7th Grade Unit 3 Review

Express the ratio as a fraction in simplest form: 15 cats to 35 dogs

• 3/7
• 15/35
• 5/1
• 1/5

Express the rate as a unit rate: 336 miles on 14 gallons of gas

• 20  mi/gal
• 24 mi/gal
• 4704 mi/gal
• 332 mi/gal

Which is a better buy? 
12 ounces for $9.84
10 ounces for $8.30

• 12 ounces at $0.82/ounce
• 10 ounces at $0.83/ounce
• 12 ounces at $0.83/ounce
• 10 ounces at $0.82/ounce

Solve the proportion:
¼ = x/16

• x=3
• x=4
• x=16
• x=1

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

• $8 per pound
• $5 per pound
• $35 per pound
• 0.125 pounds per dollar

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

• $1.25 per pound
• $1 per pound
• $2 per pound
• $1.50 per pound

Movie ticket sales are as follows:
Adult: 20 tickets for $250
Child: 15 tickets for $71.25
Senior: 5 tickets for $37.50
How much does one (1) ADULT ticket cost?

• $0.08
• $25
• $12
• $12.50

Which statement best describes a ratio?

• A number
• A comparison of two quantities using division.
• A comparison
• A comparison of many things.

Which of the following options is a real life example of a ratio?

• 12 noodles
• 4 meatballs : 1 cup of sauce
• 1 jar of sauce
• 15 desserts

A bag of marbles comes with 3 blue marbles, 2 red marbles, and 5 yellow marbles. What is the ratio of red to yellow?

• 2:5
• 5:3
• 3:5
• 5:2