Peyton is three years younger than justin. matt is four times as old as peyton. if you add together the ages of justin, peyton and matt, the total comes to 39 years. how old are justin, peyton and matt?

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