SOLUTION: A car uses 15 gallons of gas to go 330 miles. How much will the car need to go 450 miles?

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Question 389961: A car uses 15 gallons of gas to go 330 miles. How much will the car need to go 450 miles?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!

Hi
Let x represent how much gas the car will need to go 450 miles?
Question Sets Up the Proportion
15gal%2F330mi+=+x%2F450mi
Cross multiply to solve for x
330x = 15*450
x = 15*450/330
x = 20.45 gal