Tiffany, Gary and Noland start at the same time walking around a circular track in the same direction. Tiffany takes ½ hour to walk around the track. Gary takes 5/12 hour, and Noland takes 1/3 hour.
1) How many minutes does it take each person to walk around the track?
2) How many times will each person go around the track before all three meet again at the starting line?
3) Explain how you arrived at the solution for question 2.