Unit 7 Review: Proportions and Percentages

Solve for the variable.  $\frac{x}{12}=\frac{6}{9}$  

• 8

• 9

• 72

• 12

Tags

CCSS.7.RP.A.2B

What is the percent of change in this problem? There are 24 teachers on the 6th grade team. Next year, they will have 30 teachers on the team.

• 25% increase

• 25% decrease

• 20% increase

• 20% decrease

Tags

CCSS.6.RP.A.3C

It took Ella 6.5 hours to travel 324 miles. If she kept a consistent speed and made no stops, about how fast was she traveling?

• 50 mph

• 0.02 mph

• 2106 mph

• 65 mph

Tags

CCSS.7.EE.B.3

Right now, 15 gallons of gas costs $25.80. If your car has a 12 gallon tank, how much would it cost to fill your tank from completely empty to full?

• $6.98

• $1.72

• $20.64

• $18.36

Tags

CCSS.6.RP.A.3B

Right now, 15 gallons of gas costs $25.80. You only have a $10 bill in your wallet. How many gallons of gas will that get you?

• 8.72 gal

• 5.81 gal

• 6 gal

• 4.73 gal

Tags

CCSS.6.RP.A.3B

The two triangles in this image are similar. Use any method you've learned in this unit to find the value of x

• 10

• 12

• 6.4

• 8

Tags

CCSS.HSG.SRT.A.2

Alicia can run 4 laps around the track in 7.41 minutes. What is her unit rate (laps per minute)?

• 1.85 laps/min

• 0.54 laps/min

• 2.13 laps/min

• 3.41 laps/min

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

Alicia can run 4 laps around the track in 7.41 minutes. How long does it take her to run each lap?

• 1.85 minutes

• 0.54 minutes

• 2.13 minutes

• 3.41 minutes

Tags

CCSS.6.NS.B.3

Alicia can run 4 laps around the track in 7.41 minutes. How long would it take her to run 7 laps?

• 12.96 min

• 14.82 min

• 3.77 min

• 9.87 min

Tags

CCSS.6.NS.B.3

Cora jarred 12 liters of jam after 4 days. How many days does Cora need to spend making jam if she wants to jar 18 liters of jam in all?

• 6 days

• 4 days

• 3 days

• 8 days

Tags

CCSS.3.OA.A.3