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29 April, 10:01

Molly can drive her car 112 miles on 4 gallons of gas and 182 miles on 6.5 gallons. how many gallons of gas will she need to drive 420 miles?

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  1. 29 April, 10:16
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    Given the data above, we can calculate the rate of the driving of the car. rate is equal to miles driven per gallon which is computed to be 28 miles per gallon. In this case, if we are asked to determine the number of gallons to drive 420 miles, then 420 miles / 28 miles per gallon equal to 15 gallons.
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