algebra

If a 204-mile trip took 8 1/2 gallons of gas, how many miles can be driven with a full tank of 20 gallons

Thank you for your help and it is appreciated,

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  1. 204/8.5 = x/20
    204/8.5 = x/20
    8.5(x) = 204(20)
    8.5x = 4080
    x = 480

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