4.1-4.3 Review

Solve the proportion below:  (show work)

• 42
• 6
• 2
• 28

Tags

CCSS.7.RP.A.2B

Solve the proportion below:

• 418
• 2
• 38
• 11

Tags

CCSS.7.RP.A.2B

Paul wants to buy a shirt for $20.  He will save 40%.  How much is his discount? 

• $8
• $10
• $15
• $5

Tags

CCSS.6.RP.A.3C

Find the Unit Rate.
405 rotations in 5 minutes   

• 81 rotations per minute
• 73 rotations per minute
• 18 rotations per minute
• 810 rotations in 10 minutes

Find the Unit Rate.
72 ounces for 12 servings   

• 7 ounces per serving
• 144 ounces for 24 servings
• 6 ounces per serving
• 36 ounces for 6 servings

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.2

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.
dogs    ______= _______
cats                                *

• c=15
• c=18
• c=21
• c=16

Tags

CCSS.7.EE.B.4

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Find the unit rate of the ratio below:
30 cm of snow in 6 hours

• 6 cm of snow per hour
• 30 cm of snow per hour
• 5 cm of snow per hour
• 3 cm of snow per hour

Starting money = $350.
Interest rate = 2.5%
TIme = 3 years.
How much interest?

• $7.50
• $26.25
• $87.5
• $262.50

Principal = $500
Interest earned in 4 years = $60.
Find the interest rate.

• 1%
• 2%
• 3%
• 4%

Jenna borrowed $5,000 for 3 years and had to pay $1,350 simple interest at the end of that time. What rate of interest did she pay?

• 6%
• 6%
• 8%
• 9%