Question

A rock climber ascends 18 feet to the top of a rock ledge. The climber

descends 8 feet and takes a break on a rock outcrop. Write and evaluate
an addition expression to show how much farther the rock climber must
descend to reach the original level.

Answer 1

10 feet

Explanation:

18-8=10 so the remaining 10 feet is what he needs to descend.