Answer:
It is a proportional relationship. 1 step/2.5 Feet.
Explanation:
First of all, you need to find out what a single step equals to feet.
If 6 steps is 15 feet, and 8 is 20, then 2.5 feet is the transition of proportional relationship. (15, 17.5, 20)
This means that the proportional relation ship is that every 1 step is equal to 2.5 feet.