Ratios, Unit Rates, Proportions...Oh My!

In the computer lab, there are 1 PC for every 5 Mac computers. If the computer lab has a total of 24 computers, how many are Mac?

• 20
• 6
• 5
• 10

Simplify the ratio of
35 : 14

• 5 : 2
• 2 : 5
• 3 : 1
• 35: 14

In a certain apartment building, the ratio of tenants to cars is 3:5. If there are 30 tenants, how many cars are there?

• 35
• 60
• 18
• 50

If we have the following recipes for juice, which one will taste the most cherry:
Sam:  1 part cherry, 4 parts sprite 
Katie: 2 parts cherry, 4 parts sprite
Michael: 6 parts cherry, 8 parts sprite 

• Michael
• Katie
• Sam

If there are 5 soccer players, 10 baseball players, and 15 basketball players, what is the ratio of baseball players to soccer players?

• 1 to 2
• 1 to 3
• 2 to 1
• 3 to 1

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 to 5
• 5 to 3
• 3 to 5
• 5 to 2

Find the unit rate per ounce of a bag of Fritos that costs $2.29 for 9 ounces.

• $0.25
• $20.61
• $1.00
• $2.29

A store sees 120 customers in 8 hours. What is the unit rate (in customers per hour)?

• 16 customers per hour
• 15 customers per hour
• 12 customers per hour
• 20 customers per hour

Tags

CCSS.7.RP.A.1

CCSS.7.RP.A.2

What percent of 50 is 20?

• 40%
• 25%
• 2.5%
• 4%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3

78 is what percent of 450?

• 5%
• .17
• 17%
• 18%

Tags

CCSS.7.RP.A.2

CCSS.7.RP.A.3