SOLUTION: Kasey and Joe were walking on a circular track. It took Kasey 21 min. to go one mile, and Joe 18 min. How many minutes before they see each other again?
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Question 1050941: Kasey and Joe were walking on a circular track. It took Kasey 21 min. to go one mile, and Joe 18 min. How many minutes before they see each other again? Answer by ankor@dixie-net.com(22740) (Show Source):
You can put this solution on YOUR website! Kasey and Joe were walking on a circular track.
It took Kasey 21 min. to go one mile, and Joe 18 min.
How many minutes before they see each other again?
:
Find the Least common multiple of 21 and 18, using prime factoring
21: 3 * 7
18: 2 * 3 * 3
LCM: 2 * 3 * 3 * 7 = 126 min
