Question

4. Hank is working in a silver mine 10 feet below the surface. He descends

until he reaches a point 57 feet below the surface. How many feet does
Hank descend? *

Answer 1

47 feet

Explanation:

if he started at 10 ellow the service and goes down until he is 57 feet below the service he went down 47 seven more feet after the first 10 feet

Answer 2

-67

Explanation:

He has to descend 10 to get to work and then descend another 57

-10+(-57)

-10-57 = -67