Study Guide for 02/09

Solve the equation 15v=45

• v=2

• v=3

• v=4

• v=5

Solve the equation: v+13=42

• v=55

• v=29

• v=21

• v=20

Solve for x in the equation: x+22=47

• x=65

• x=69

• x=25

• x=22

Solve for x in the equation: x+23.4=53.2

• x=298

• x=29.8

• x=76.6

• x=766

Solve the equation: 2.5x=250

• x=10

• x=100

• x=1

• x=1000

Mrs. Gardner bought apples for $5.52. The apples were $1.20 per pound. Which equation would help you find how many apples Mrs. Gardner bought?

• x+1.20=5.52

• x-1.20=5.52

Which expression matches 20 subtracted from a number?

• n+20

• 20n

• n-20

• 20-n

• 20

• 5

• 10

• 12