Ratio Proportion quiz

One week, the ratio of pounds of apples to pounds of oranges sold at a market was 3:8. Twelve pounds of apples were sold. How many pounds of oranges were sold?

• 2

• 4.5

• 32

• 48

 $Solve\ \ \ \ \frac{\text{2}}{\text{8}}\ =\ \frac{3}{m+2}$  

• 10

• 11

• 13

• 14

Tags

CCSS.7.RP.A.2B

A 14-foot tree casts an 8-foot shadow. At the same time, a nearby flagpole casts a 10-foot shadow. How tall is the flagpole?

• 5.7 ft

• 11.2 ft

• 16.0 ft

• 17.5 ft

Tags

CCSS.7.RP.A.3

 $solve\left|2x\ +\ 6\right|\ =\ 8$ 

• 1

• 1, -7

• -1, -7

• -1, 7

Solve P = 2(l + w) for l

• l = P + w

  2

• l = P − w

  2

• l = P −w

  2

• l = P +w

  2

Tags

CCSS.HSA.CED.A.4

Solve 7b + 3 − 4b = 3 − 3(b + 4)

• no solution

• -2

• 2/3

• all real numbers

A cable company charges $75 for installation plus $20 per month. Another cable company offers free installation but charges $35 per month. For how many months of cable service would the total cost from either company be the same?

• 2

• 3

• 5

• 7