Mention how many are there weeks in a month.
We know that almost every month has days and few months have days which is the maximum but the month of February has or days which is the minimum.
We also know that a week has days.
Therefore, for a month of days, the number of weeks a month has,
For a month of days, the number of weeks a month has,
And, for a month of days, the number of weeks a month has,
Hence, a month has weeks.