Question

what data should be represented on each axis and what should the increments be?

Answer 1

 x-axis: hours in increments of 1; y-axis: miles in increments of 5 

... so there will be: 8 ⁄ 1 = 8 divisions on the x_axis 

... and 65 ⁄ 5 = 13 divisions on the y_axis