Question 181159
Concept you should know:

(1) distance is always a positive number
(2) distance = abs(a-b),  (i am using abs for absolut value)

Given 2 and 17

Answer:

distance = abs( 2- 17)
distance = abs(-15)
distance = 15

.....Note that you should have received same answer by doing the following:

distance = abs (17-2)
distance = abs (15)
distance = 15