7,258,630-
seven million, two hundred fifty-eight thousand, six hundred thirty :-)
Start with

Separate the variables:

Integrate both parts:

Which implies

Solving for y:

Fix the additive constant imposing the condition:

So, the solution is

Answer:
-502.5 - 115 = - 617.5
63 1/4 - 2 1/5 =
63 - 2 = 61
1/4 - 1/5 = 5/20 - 4/20 = 1/20
so 63 1/4 - 2 1/5 = 61 1/20
after the sub dove, elevation level is - 617.5 and temp is 61 1/20 F
Step-by-step explanation: