About 7/10% of the passengers on a cruise ship swam in the ship's pool on the first day of the cruise. How would you express this number as a decimal and as a percent?

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