price per gallon = pddm wrote:help
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.
price per gallon = pddm wrote:help