a) When plotted on the axes below,
the points (0, m) and (5, n) are on
this line. Work out the values of m and
n.
b) Use your answer to part a) to plot
this line.
Kilometres
40+
4
35-
30-
≈22
25-
20-
15-
10-
5-
0
5
10
15
20