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jim’s car was averaging 15 miles per gallon. After he had a tuneup on the car, he had noticed that the car now gets 20 miles per gallon. what was the percent of increase in the miles per gallon?

1 Answer

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The answer is 1.33333% multiply that number by 15 and you get your increase to 20 miles per gallon. 
User Mikehc
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