Pria bought a new car that advertised an estimated gas mileage of 35 miles per gallon. The car has a 12-gallon tank. She filled her car full of gas and was able to drive a total of 372 miles. What was the difference, in miles per gallon, between Pria's mileage and the advertised mileage?
Thoughts? Step-by-step reasoning:
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Pria's car achieved a rate of 372 miles / 12 gallons = 31 miles per gallon. Therefore, it was a difference of 35 - 31 = 4 miles per gallon.
Thus, the answer is 4.
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