Rational Number Computation

3/2 - (-3/2)

-(-2.9) - (-3.2)

2/3 × -6/5

• 3/2

• 6/5

• -4/5

• none

-8 + 5

4 - (-3)

Teresa is watering her lawn. She uses 2 gallons of water each minute. If she waters the lawn for 35 1/4 minutes, how much water does she use? 

• 35.25 gallons

• 17.6 gallons

• 70  1/2 gallons

• 37 1/4 gallons

Scott has $327.50 in his checking account. He deposits $195.75 one week and then withdraws 255.00. How much money does he have left in his account?

Your bank account balance is -$31.00. You then get paid $195 for work this week before paying your cellphone bill of $75. How much money remains in your account?

A girl's hair is 12 3/8 inches long. If she has 2 1/2 inches cut off, how long will her hair be?

• 10 1/4 inches

• 10 3/16 inches

• 9 7/8 inches

• 10 7/8 inches

4 - (-9)

• 5

• -5

• 13

• -13