Question

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,

Answer 1

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