SOLUTION: A car can travel 196 miles on 7 gallons of gas. How far can it travel on 15 gallons

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Question 533709: A car can travel 196 miles on 7 gallons of gas. How far can it travel on 15 gallons
Answer by oberobic(2304) About Me  (Show Source):
You can put this solution on YOUR website!
You can use proportions to solve this one.
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7/196 = 15/x
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cross multiply
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7x = 15*196
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x = 15*196/7 = 420
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Done.