Ratios, rates, and proportional reasoning QUIZ #3

Josue eats 10 brownies in 2 days. What is the rate at which Josue eats the brownies?

• 4 brownies per day

• 5 brownies per day

• 3 brownies per day

• 5

• 5 days per brownies

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A car factory made 4 cars with a sunroof and 16 cars without a sunroof. What is the ratio of the number of cars without a sunroof to the number of cars with a sunroof?

• 16:4

• 4:20

• 4:16

• 20:16

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

A car travels 320 miles in 8 hours. What is the unit rate?

• 45 miles per hour

• 80 miles per hour

• 40 miles per hour

• 60 miles per hour

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Joey likes candy. He has a ratio of 5 Skittles to every 2 Hershey kisses. How many Hershey kisses would he have if he had 75 skittles?

• 30

• 15

• 7

• 25

At the zoo, there are 20 elephants and 10 jaguars. What is the ratio of jaguars to elephants in simplest form?

• 1:2

• 5:10

• 20:10

• 2:1

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Solve the proportion:

• 4
• 8
• 14
• 10

Tags

CCSS.7.RP.A.2B

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Tags

CCSS.7.RP.A.2A

Do the ratios form a proportion?

• Yes, they form a proportion.
• No, they do not form a proportion.

Tags

CCSS.7.RP.A.2A

In an animal shelter, the ratio of dogs to cats is 5 to 3. There are 25 dogs.  Write and solve a proportion to find the number c of cats.

• c=15
• c=18
• c=21
• c=16

Tags

CCSS.7.RP.A.3

What is a better value for cheese?

• Kraft , because it's $2.29 per oz

• Simple, because it's $1.88 per oz

• Kraft, because it's $0.44 per oz

• Simple, because it's $0.53 per oz

Tags

CCSS.6.RP.A.3B