Review for Quiz

Special Case Equations

100

36 - 7p = -7(p - 5)

No Solution

200

-4(v +3) = -12 - 4v

Infinitely Many Solutions

300

-2(v - 2) = -3 - 2v

No Solution

400

3 + 5n = 5(n + 2) -7

Infinitely Many Solutions

500

-5 (-2 - 8m) = 10 + 5m

m = 0

Proportions

100

9/6=n/10

n=15

200

4/3=8/x

x=6

300

7/5=x/3

x=21/5 or 4.2

400

7/(b+5)=10/5

b=-3/2

500

(x-3)/x = 9/10

x=30

More Proportions

100

4/(m-8)=8/2

m=9

200

9/(k-7)= 6/k

k=-14

300

(p+10)/(p-7)=8/9

p=-146

400

(n-5)/2=(n+8)/7

n=15/5 or 10.2

500

Round your answer to the nearest tenth.  

(n-6)/(n-7)=9/2

n = 7.3

Rounding

100

Round the following number to the nearest tenth.

-34.89

-34.9

200

Round the following number to the nearest tenth.

21.822

21.8

300

Round the following number to the nearest tenth. 

0.4499

0.4

400

Round the following number to the nearest tenth

19.0564

19.1

500

Round the following number to the nearest tenth.

14.99

15.0

Word Problems

100

Devin is mixing up shampoo solution for the dog washing station.  He needs 2 cups of shampoo for every 9 cups of water.  Devin used 36 cups of water.  How much shampoo should he add? 

8 cups of shampoo

200

Abe had a 30 gallon baby pool that he can fill in just 2 minutes. He bought a bigger pool that holds 150 gallons of water.  How long will it take to fill the larger pool?  

10 minutes

300

Cara's drive to work takes her 30 minutes to drive 15 miles.  It takes her 6 minutes to drive from home to the donut shop. How far away is the donut shop from Cara's house? 

3 miles

400

Yesterday Evan made 28 paper cranes in 4 hours.  Today he made 21 paper cranes.  How long did it take him if he made them at the same rate? 

3 hours

500

Joe runs 1 mile in 6 minutes.  How far can he run in 15 minutes if he continues running at the same pace? 

2.5 miles