A and B drive from X to Y. A drives the first 40 miles, and B drives the rest of the way.
That afternoon they return by the same route, with A driving the first leg and B driving the last 50 miles.
Who drives the farthest, and by what distance?

(In reply to Easy solution by Math Man)

Just   replace your  n  by   x.

Posted by Ady TZIDON on 2016-04-26 00:52:16