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Mathematics, 09.04.2020 22:14 madmar

The average gas mileage for n vehicles on one car lot is 21 miles per gallon. The average
mileage for p vehicles on another car lot is 25 miles per gallon. When the vehicles on
both lots are combined, the average gas mileage is 22.5 miles per gallon. What is the
value of p/n

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