Including a 4% sales tax, a new bike costs $286. Find the cost of the bike before tax. A) First write an equation you can use to answer this question. Use x as your variable and express any percents in decimal form in the equation. (3) The equation is: ???? B) Solve your equation in part [A] to find the original price of the bike. Answer: The original price of the bike before tax was HOW MANY dollars??