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Anonymous
21 days is 3 weeks.
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One week is 7 days, so 21 weeks is 147 days.
3 weeks = 3*7 = 21 days. So 5 days to 3 weeks = 5 days to 21 days = 5:21
there are 21 days in 3 weeks.
3 weeks is equal to 21 days.
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