9514 1404 393
Answer:
-3/20 mile
Step-by-step explanation:
1 minute is 1/5 of 5 minutes. Since the descent is at a constant rate, in 1 minute, the depth will be 1/5 of the final depth:
(1/5)(-3/4 mi) = -3/20 mi
The depth after 1 minute is -3/20 mile.
