The ambulance averages 15 miles per gallon. If gasoline costs 3 dollars per gallon, then what is the cost for driving 450 miles per week? (Is this a one-step or two-step ratio and proportion?)

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The Answer of The ambulance averages 15 miles per gallon. If gasoline costs 3 dollars per gallon, then what is the cost for driving 450 miles per week? (Is this a one-step or two-step ratio and proportion?)

The Ambulance Averages 15 Miles Per Gallon