Mathematics

A: 20 days; B: 38 days. Together?

A: 30 days; B: 9 days. Together?

A: 12 days; B: 41 days. Together?

A: 19 days; B: 43 days. Together?

A: 23 days; B: 39 days. Together?

A: 23 days; B: 17 days. Together?

A: 17 days; B: 12 days. Together?

A: 15 days; B: 30 days. Together?

A: 16 days; B: 27 days. Together?

A: 29 days; B: 39 days. Together?

A: 25 days; B: 21 days. Together?

A: 24 days; B: 41 days. Together?

A: 21 days; B: 20 days. Together?

A: 16 days; B: 32 days. Together?

A: 5 days; B: 39 days. Together?

A: 22 days; B: 37 days. Together?

A: 32 days; B: 33 days. Together?

A: 24 days; B: 14 days. Together?

A: 9 days; B: 15 days. Together?

A: 25 days; B: 31 days. Together?

A: 9 days; B: 10 days. Together?

A: 16 days; B: 42 days. Together?

A: 12 days; B: 36 days. Together?

A: 5 days; B: 24 days. Together?

A: 14 days; B: 33 days. Together?