Step-by-step explanation:
According to the graph, Zane climbed 25 metres in 35 seconds
Therefore in one second he will climb
[tex] = \frac{25}{35} \\ = \frac{5}{7} \\ \therefore \: in \: 7 \: seconds \: he \: will \: climb \: = \frac{5}{7} \times 7 \\ = 5 \: metres \\ [/tex]
Hence Zane climbed 5 metres in every 7 seconds.
