Question 7
Shannon, Jason and Robert can complete one round of the same track in 1
minute 15 seconds, 1 minute 30 seconds and 1 minute 45 seconds,
respectively. They start running at the same time from point A. After how many
seconds will they all be together again at point A?
minute 15 seconds, 1 minute 30 seconds and 1 minute 45 seconds,
respectively. They start running at the same time from point A. After how many
seconds will they all be together again at point A?