Mathematics

A: 15 days; B: 10 days. Together?

A: 10 days; B: 27 days. Together?

A: 25 days; B: 11 days. Together?

A: 28 days; B: 37 days. Together?

A: 26 days; B: 33 days. Together?

A: 32 days; B: 11 days. Together?

A: 29 days; B: 12 days. Together?

A: 11 days; B: 39 days. Together?

A: 33 days; B: 8 days. Together?

A: 6 days; B: 21 days. Together?

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

A: 20 days; B: 13 days. Together?

A: 22 days; B: 10 days. Together?

A: 29 days; B: 17 days. Together?

A: 20 days; B: 23 days. Together?

A: 20 days; B: 28 days. Together?

A: 14 days; B: 8 days. Together?

A: 10 days; B: 17 days. Together?

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

A: 25 days; B: 36 days. Together?

A: 13 days; B: 21 days. Together?

A: 34 days; B: 25 days. Together?

A: 8 days; B: 40 days. Together?

A: 28 days; B: 20 days. Together?

A: 9 days; B: 42 days. Together?