CPM Homework Help : CALC Problem 1-156

DO YOU KNOW THE WAY TO SAN JOSE?
Salima and Karim were driving from Sacramento to San Jose. Salima kept track of the rate as Karim drove. Below is a graph of their rate during the trip. Homework Help ✎
1. What is the driving distance between Sacramento and San Jose?
2. What was Karim's average speed?

Hint (a):

Calculate the area of the graph under the curve.

Hint (b):

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