A tool set is on sale for 424.15. The original price of the tool set was 499.00. What percent of the original price is the sale price? How do you solve this?

Michael gose to a theme park and rides two different roller coasters that both begin on a raised platform his height while on the first roller coaster measured in feet from the platform height can be modeled by the following graph where t is the number of seconds since the ride began