Question 1037121
Tom drove 290 miles from his college to home and used 23.2 gallons of gasoline. His sister Ann drove 225 miles from her college to home and used 15 gallons of gasoline. Whose vehicle had better gas mileage? justify your answer  
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To find mi/gal, or MPG, divide the miles by the gallons.
Is that not obvious?
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The bigger number has "better gas mileage."