DO YOU KNOW THE WAY TO SAN JOSE?

Salima and Karim were driving from Sacramento to San Jose. Salima kept track of their rate as Karim drove. At right is a graph of their rate during the trip.

1. What is the driving distance between Sacramento and San Jose?

   Hint (a):

   Calculate the area under the curve.

2. What was Karim’s average speed?

   Hint (b):

   $\text{average speed = }\frac{\text{total distance}}{\text{total time}}$