SOLUTION: if a car driven 45 miles on 2 gallons of gas, how many gallons of gas will it take to travel 315 miles?

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Question 198872: if a car driven 45 miles on 2 gallons of gas, how many gallons of gas will it take to travel 315 miles?
Answer by jim_thompson5910(35256)   (Show Source): You can put this solution on YOUR website!
Since 45 miles is to 2 gallons of gas and 315 miles is to "x" gallons, this means we have the ratio:



Start with the given ratio


Multiply both sides by x


Multiply both sides by 2


Multiply


Divide both sides by 45


Simplify



So our answer is which means that it takes 14 gallons of gas to go 315 miles.

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