Answer:
Here's a picture with the work done.
Step-by-step explanation:
Proved Below
Answer:e
The equation for the submarine is given as y =-240x
Where y is the distance of the descent
x is the time in hours
and -240 is the rate of distance per unit time
To calculate how long it will take this submarine to reach the descent
x = y /-240
3/5
Just do the 3 over the five