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5-139.

If you can travel miles on gallons of gasoline, how far can you travel on gallons? How many miles on gallons? A diagram may help you with your reasoning. Show your work and explain your thinking. Homework Help ✎

Since each gallon of gasoline gives the same amount of mileage, use a common ratio for the miles per gallon.

The ratio between and gallons is so this ratio also translates to the mileage.

miles. Use this same strategy to figure out the mileage for gallons.