The slope intercept form is y = mx + c.
The quantity given by the constant term c, is the vertical or y intercept.
It is the point where the line cuts the y axis, and this point, x = 0.
If u add them all up and multiple by two in total he walks 43 blocks
26ft(yd/3ft)
8yd+2yd/3
8yd+(2yd/3)(3ft/yd)
8yd+2ft
8yd 2ft