Answer:
2.7 Chromebooks per hour
Explanation:
At 10.00 AM, the store has sold 8 Chromebooks.
At 7.00 PM, it has sold 32 Chromebooks.
The number of hours between 10.00 AM and 7.00 PM = 9 Hours
The average rate of change between 10.00 AM and 7.00 PM will be:
[tex]\begin{gathered} =\frac{32-8}{9} \\ =\frac{24\text{ Chromebooks}}{9\text{ Hours}} \\ =2.67\text{ Chromebooks per hour} \\ \approx\text{ }2.7\text{ Chromebooks per hour} \end{gathered}[/tex]The average rate is 2.7 Chromebooks per hour correct to the nearest unit.
