How many weekdays appear 53 times in a year?
A year has 52 full weeks plus a day or two left over.
In an ordinary year, how many of the seven weekdays occur 53 times? And in a leap year? Which weekdays are they, in terms of the day the year starts?
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Write 365 and 366 as multiples of 7 plus a remainder. The leftover days are the first days of the year.
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