Henry and Margo both began traveling around the circular track. Henry is riding a bike, and Margo is walking. It takes Henry 9 minutes to make it all around, Margo takes 12 minutes. How much time will pass until they meet at the starting line?

Respuesta :

the answer is the intersection of 9 and 12.  If you multiply 9 x 12, you get 108.

108 minutes is the answer.