A sporting goods store uses a markup of 87.5% for baseball bats. What is the price the store should display for a baseball bat with an original cost of $40? Use words to complete the equation you should use to find the amount of the markup.
= percent × .

Because the store marks up the original cost, the price will decrease / increase. The percent change is %.

Write an equation that gives the retail price y of a bat with an original cost of x.

y =1x + x = x

To find the price that the store should display, substitute for x in the equation in Part C. The store should display a price of $ .