Mathematics

A: 13 days; B: 16 days. Together?

A: 27 days; B: 30 days. Together?

A: 14 days; B: 28 days. Together?

A: 32 days; B: 23 days. Together?

A: 8 days; B: 13 days. Together?

A: 18 days; B: 9 days. Together?

A: 7 days; B: 43 days. Together?

A: 7 days; B: 28 days. Together?

A: 14 days; B: 23 days. Together?

A: 8 days; B: 28 days. Together?

A: 18 days; B: 31 days. Together?

A: 10 days; B: 32 days. Together?

A: 11 days; B: 29 days. Together?

A: 23 days; B: 7 days. Together?

A: 33 days; B: 40 days. Together?

A: 35 days; B: 32 days. Together?

A: 21 days; B: 8 days. Together?

A: 29 days; B: 27 days. Together?

A: 30 days; B: 29 days. Together?

A: 9 days; B: 20 days. Together?

A: 6 days; B: 14 days. Together?

A: 18 days; B: 14 days. Together?

A: 13 days; B: 11 days. Together?

A: 11 days; B: 34 days. Together?

A: 20 days; B: 33 days. Together?