Question

Starting at sea level, a submarine descends at a constant rate to a depth of −4/5 mile relative to sea level in 3 minutes. What was the submarine's depth relative to sea level after the first minute? Enter your answer in the comments.

Answer 1

the answer is 3/200 of a mile

Answer 2

-4/5 in 3 minutes

(-4/5)/3 = -4/15

After the first minute, the relative depth is -4/15

hope this helps