Problema Solution
Kevin and Kelly decide to go for a run. Kevin wants to get a really good work and decides to let Kelly have a 2 mile head start. If Kelly runs a 8 min/mile pace and Kevin runs a 6 min/mile pace. How long will it take Kevin to catch up to Kelly?
Answer provided by our tutors
let afer x miles they meet
A.T.Q. 8x - 6x = 2
2x = 2
x = 1
i.e. they meet after 1 mile of travel and it takes 1 min.