SOLUTION: Bill's car traveled 160 miles on 9 gallons of gas. How many gallons does Bill's car need to travel 640 miles?

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Question 916204: Bill's car traveled 160 miles on 9 gallons of gas. How many gallons does Bill's car need to travel 640 miles?
Answer by tonyclarke(17) About Me  (Show Source):
You can put this solution on YOUR website!
160 miles on 9 gallons, how many gallons for 640 miles?
640 miles / 160 miles = 4
9 gallons * 4 = 36 gallons