Question

A submarine left the surface of the water at the rate of -2 metres per second. At that rate, how
long would it take the submarine to reach -80 meters level?​

Answer 1

Answer:

40 seconds

Step-by-step explanation:

Rate of going underwater: -2m/s

Time required for the submarine to reach -80 m:(-80)÷(-2)

=80÷2

=40 seconds

Answer 2

Above attachment is the correct answer