Making the assumption that one of those four years is a leap year, 4 years and 15 weeks is equal to (3 x 365) + 366 + (15 x 7) = 1566 days.
63 days is equal to 9 weeks.
there are 14 weeks in 98 days
0.6 weeks = 4.2 days
42 weeks and 6 days.
20 weeks and 4 days.
Thirty days is equivalent to four weeks and two days.
1 year = 52 1/7 weeks (not counting leap years) 21 years = 1095 weeks (with some days left over if you are counting leap years) ■
4 weeks and 3 days - equal to 31 days.
Assuming that any one of these years is a leap year, then 4 years 15 weeks is equal to (365 x 3) + 366 + (15 x 7) = 1566 days.
714 weeks, 2 days
One week is equal to 7 days. Therefore, 10 weeks is equal to 10 x 7 = 70 days.
Almost exactly 4 weeks.