Kevin, Yone, and Miroki work part-time at the YMCA in Kamloops. Kevin works every second day. Yone works every third day. Miroki works every fourth day. Today, they worked together. When will they work together again?

4 answers

LCM(2,3,4) = 12
kevin works on days # 1,3,5,7,9,11,13,15,....
yone works on days # 1,4,7,10,13,16....
miroko works days 1, 5, 9, 13, .....
13
Kevin, 2 = 2, 4, 6, 8 , 10, 12, 14.
Yone, 3 = 3, 6, 9, 12, 15, 18, 21.
Miroki, 4 = 4, 8, 12, 16, 20, 24, 27.
They work together on the 12th day.