SOLUTION: Susan drove 200 miles using 9 gallons of gas. At this rate, how many gallons of gas would she need to drive 420 miles

SOLUTION: Susan drove 200 miles using 9 gallons of gas. At this rate, how many gallons of gas would she need to drive 420 miles

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Question 971267: Susan drove 200 miles using 9 gallons of gas. At this rate, how many gallons of gas would she need to drive 420 miles
Answer by checkley77(12844) (Show Source): You can put this solution on YOUR website!
200/9=420/X
200X=9*420
200X=3780
X=3780/200
X=18.9 GAL.
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