Question

george is driving his car. at the end of 2 hours he has driven 94 miles, and at the end of 4 hours he has driven 180 miles. what is the average rate of change? type your numerical answer below.
______ miles/hour

Explanation:

Step1: Calculate distance change

$\Delta d = 180 - 94 = 86$ miles

Step2: Calculate time change

$\Delta t = 4 - 2 = 2$ hours

Step3: Compute average rate of change

$\text{Average rate} = \frac{\Delta d}{\Delta t} = \frac{86}{2}$

Answer:

43 miles/hour