Question

Marty's bike ride is represented by the graph shown on the right.What is Marty's average speed? Explain how you arrived at this answer.

Answer 1

`\begin{gathered} \text{Speed = }\frac{Dis\tan ce}{\text{Time}} \\ \cdot)\text{ Using the dotted point of the graph, we have this} \\ \text{ spe}ed\text{ = }(40)/(4)\text{ = 10m/s} \end{gathered}`