Chang and Rachel walk around a track. Chang walks each lap in 12 minutes. Rachel walks each lap in 10 minutes. The two of them begin at the starting line at the same time. They walk until they meet again at the starting line.Answer the following questions.
How many laps does Chang complete?
laps:
How many laps does Rachel complete?
laps:
How much time does it take for them to meet again at the starting line?
minutes:
