Question

Nicolas is setting up water stations for a 10-mile run. He already has the first one set up 8 miles from the starting line. He needs to set up two more that are 1.5 miles on either side of the first water station. Where will he put the two additional water stations?

Answer 1

8-1.5=6.5 miles from the starting line

and another at:

8+1.5=9.5 miles from the starting line.

Answer 2

x - 8 = 1.5

6.5 and 9.5