Problema Solution
three ships take 10, 12, and 16 days, respectively, to leave and return to San Francisco. They leave at the same time and take continuous trips to and from S.F. In how many days will all three ships leave S.F. on the same day?
Answer provided by our tutors
We need to find the Least Common Multiple for 10, 12 and 16:
LCM(10, 12, 16) = 240
In 240 days all three ships will leave S.F. on the same day.