Answer:
the coefficient related to the steepness of a set of stairs is proportional to the ratio [tex]\frac{3}{5} = 0.6[/tex]. Therefore co-efficient = 0.6k where k is a constant.
Step-by-step explanation:
i) the coefficient related to the steepness of a set of stairs is proportional to the ratio [tex]\frac{3}{5} = 0.6[/tex]