Luanne's car has a range of 675
miles on one tank of gas.
Her car averages 45
miles per gallon and has already used 2
gallons of gas.

How many gallons of gas, g
, are left in the tank?



Answer :

13 gallons left.

Determine the total number of gallons in a full tank by dividing the total range by the average mileage per gallon: 675 miles \/ 45 miles per gallon = 15 gallons. Subtract the amount of gas already used from the full tank. Since Luanne has used 2 gallons, she has 15 gallons - 2 gallons = 13 gallons left.

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