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Home > PC3 > Chapter 2 > Lesson 2.1.2 > Problem 2-28


​Kyla and Sergio are in a race to see who can eat an ice cream cone the fastest. Kyla is confident that she will win, so she gives Sergio a five-second head start. If elapsed time in seconds since Sergio started eating his ice cream, write an expression, using , for the amount of time elapsed since Kyla started eating her ice cream. Then sketch a possible time vs. amount of ice cream eaten graph. 

When Sergio seconds, Kyla seconds.
When Sergio seconds, Kyla seconds.
Write an expression relating how these times are related.