Mathematics, 31.01.2020 03:53 moldybubblegum11

Sean's car used 8 gallons of gasoline to travel 340 miles. after a mechanic worked on the car, it used 7 gallons of gasoline to travel 350 miles. if the price of gasoline was approximately $4.00 per gallon, how much less, to the nearest cent per mile, did it cost to the car after the mechanic worked on it?

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Sean's car used 8 gallons of gasoline to travel 340 miles. after a mechanic worked on the car, it us...