Question

Eric discovers a broken sprinkler in his yard. The sprinkler is 8 feet below ground level or -8 feet. Eric rented a machine that digs 2 feet or -2 feet, every hour. How many hours will he need to run the machine in order to reach the sprinkler?

Answer 1

I believe the the answer is 4 hours.

Explanation:

1 hour: -2 feet

2 hours: -4 feet

3 hours: -6 feet

4 hours: -8 feet

hopefully I am right