gasoline price

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Re: gasoline price

by parallel_chase » Wed Sep 17, 2008 3:50 pm
ddm wrote:help
price per gallon = p

dealer's price = d
4% sales tax on dealer's price = 0.04d
total dealer price = 1.04d
gasoline tax per gallon = 0.18

d= ?

p = 1.04d + 0.18

1.04d = p - 0.18

d = (p - 0.18) / 1.04

Hope this helps.