Part (b)
We use the result of part (a) and plug in (x,y) = (0,0). This is directly from the initial condition y(0) = 0.

-----------------
This means,

is the solution with the initial condition y(0) = 0.
The anwser to your question is 1 and 5/7
That’s not enough information to say how long he could do it. He could go slower or faster than her but by how much if so. So it’s not enough info.
Answer:
the third one is the correct answer
Step-by-step explanation:
hope that helps
I believe it's 12 because 5*16=80. So, then you would subtract 4 from 16 and gat 12.