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28 December, 13:35

Aldo drove 200 miles using 9 gallons of gas. At this rate, how many gallons of gas would he need to drive 420 miles?

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  1. 28 December, 17:20
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    Distance/fuel is constant

    200/9=420/x

    find x

    times 9x both sides

    200x=3780

    divide both sides by 200

    x=18.9

    18.9 gallons
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