Question

Exits on an interstate are numbered consecutively.

The distance between Exit 12 and Exit 13 is 2.7 miles.

The distance between Exit 13 and Exit 14 is 0.9 mile farther than the distance between Exit 12 and Exit 13.

The distance between Exit 13 and Exit 15 is 6.8 miles farther than the distance between Exit 12 and Exit 14.

What is the distance between Exit 14 and Exit 15 in
miles.

Answer 1

12 to 13 = 2.7
13 to 14 = 0.9 + (12 to 13) = 0.9+2.7 = 3.6
keep going, evaluating each distance.
This is not that hard.

Answer 2

cmon that answer was wrong