Andre and Leticia plan to meet at the mall. Use the graph below to answer these questions.

1. Who left first to go to the mall?

   Help (a):

   Which person left at a time closest to the origin of the graph?

   Answer (a):

   Andre

2. Who will arrive at the mall first? Explain how you know.

   Help (b):

   Examine the graph and the slope of each person's movements. Are Andre and Leticia moving at the same speed?

   Hint (b):

   At any given point in time, Andre is always ahead. What does this mean?