Question: In a family there are two cars. The sum of the average miles per gallon obtained by the two cars in a particular week is 75 miles per gallon. The first car has consumed 25 gallons during that week , and the second has consumed 35 gallons , for a total of 2275 miles driven by the two cars combined. What was the average gas mileage obtained by the first car that week? What was the average gas mileage obtained by the second car that week?
Answer: 40