we can find out how many miles Valerie can drive per gallon by dividing the total number of miles she can drive by the total number of gallons her car can hold.
So, Valerie can drive 288 miles / 16 gallons = <<288/16=18>>18 miles per gallon. Answer: \boxed{18}.
Valerie buys a new car. She can drive 288 miles on a full tank of gas. If her car holds 16 gallons of gasoline,
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