In 1985 a company sold a brand of shoes to retailers for a fixed price per pair. In 1986 the number of pairs of the shoes that the company sold to retailers decreased by 20 percent, while the price per pair increased by 30 percent. If the company's revenue from the sales of the shoes in1986 was 3million, what was the approximate revenue from the sale of the shoes in 1985?
Let s = # of shoes
(.80s)(1.3)=3,000,000 ... Solving for s will give you the # of shoes sold in 85'