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Assuming a 90 year spell includes 22 leap years, the number of days is equal to (68 x 365) + (22 x 366) = 24820 + 8052 = 32872 days. If the 90 year spell includes 23 leap years, the number of days is equal to (67 x 365) + (23 x 366) = 24455 + 8418 = 32873 days. 3 people found this useful.
There are exactly 52.2857142857 weeks in the year 2016. This is equivalent to 52 weeks and 2 extra days, since there are 366 total days in 2016.Most years have 365 days, but a leap year has 366 days. That adds up to 52 weeks (where each week is exactly 7 days) PLUS 1 or 2 additional days. The year 2016 has exactly 366 days.Now if the year starts on a week in a non-leap year, you end up with 53 weeks. Or if either of the first two days lands on a week during a leap year, then you can also get 53 weeks.here are exactly 52.2857142857 weeks in the year 2016. This is equivalent to 52 weeks and 2 extra days, since there are 366 total days in 2016.