Simple but tricky problem

[etor]

Hi Folks,
Bit puzzled by the below problem on how to solve. Appreciate tips / assistance.
Many thanks,

Margret and Mildred meet on a Eurostar train travelling from London to Paris. Margret visits her daughter in Paris every 28 days. Mildred visits her son in Paris every 36 days. When will Margret and Mildred have a chance to meet again on the train ?

 

[Deleted member 4993]

Hi Folks,
Bit puzzled by the below problem on how to solve. Appreciate tips / assistance.
Many thanks,

Margret and Mildred meet on a Eurostar train travelling from London to Paris. Margret visits her daughter in Paris every 28 days. Mildred visits her son in Paris every 36 days. When will Margret and Mildred have a chance to meet again on the train ?

Hint: what is the LCM of 36 and 28?

 

[Steven G]

After they meet:
Margrets goes to Paris after 28 days, 56 days, 84 days, 112 days, ...
Mildred goes to Paris after 36 days, 72 days, 108 days, 144 days, ...

The two women will meet many times. They will meet on multiples of LCM(36,28) days.

 

[etor]

Hint: what is the LCM of 36 and 28?

Thank you for the hint !

 

[etor]

After they meet:
Margrets goes to Paris after 28 days, 56 days, 84 days, 112 days, ...
Mildred goes to Paris after 36 days, 72 days, 108 days, 144 days, ...

The two women will meet many times. They will meet on multiples of LCM(36,28) days.

Thanks a lot !