3. The Tookesons want to purchase a used SUV. A used-vehicle guide shows the average retail value is $9,480. Add $150 for air-
conditioning, $75 for anti-lock brakes, and $150 for the Global
Positioning System (GPS). Subtract $100 for a manual
transmission and $300 for excessive mileage. What is the average
retail value of the SUV?

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