<PRE><B>Question 730910</B>
There are 3 men riding bicycles all starting at the same time.
 They are on a 1/3 mile track.
 One is traveling 4 mph, one is traveling 6 mph and one is traveling
 8 mph. How many minutes will it be until they are together at the
 starting point for the first time?
:
The first guy completes a lap in {{{.33/4}}}* 3600 = 300 seconds
The 2nd guy completes a lap in {{{.33/6}}} * 3600 = 200 seconds
The 3rd guy completes a lap in {{{.33/8}}} * 3600 = 150 seconds
:
Least common multiple of all three lap times:
In 600 seconds which is 10 minutes, they should all be at the start
Guy 1 completes 2 laps
Guy 2 completes 3 laps
guy 3 completes 4 laps</PRE>