Contemporary Mathematics for Business & Consumers 8th Edition by Robert Brechner,Geroge Bergeman

Exercise 86

Backyard Bonanza advertised a line of inflatable pools for the summer season. The store uses a 55% markup based on selling price.
a. If they were originally priced at $124.99, what was the cost
b. As the summer progressed, they were marked down 25%, marked up 15%, marked down 20%, and cleared out in October at a final 25%-off sale. What was the final sealing price of the pools