In terms of given quantities, by what amount of time, , does Tim beat Rick?

It will help you check your answer if you simplify it algebraically and check the special case .
Express the difference in time, in terms of , , and .

2 answers

In physics, to arrive at numerical answers, you need numerical input data.

You have not provided anything but some incomplete sentences.

You should consider dropping out of the course.
(d(4-2VwVr+Vw^2+Vr^2))/2(Vr+Vw)