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# , Dar nails car used eight gallons of gasoline traveled three hundred and forty miles after mechanic worked on the car it used seven gallons of gasoline to travel three hundred and fifty miles if the

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Dar nails car used eight gallons of gasoline traveled three hundred and forty miles after mechanic worked on the car it used seven gallons of gasoline to travel three hundred and fifty miles if the price of gasoline was approximately four dollars per gallon how much less the nearest cent per mile that it caused to run the car after the mechanic worked on it?