Eight weeks.
There are 3 weeks in 21 days
3 weeks and 4 days.
168 days
20wx7d=140 days
Eight weeks and two days
There are 420 days in 60 weeks.
147 days straight
Only February has twenty eight days in it and twenty nine in each leap year. so one is the answer.
14 weeks
56
There are 9 5/7 days in sixty-eight days.