BB23 Hint: Dates of Mondays: 3,10,17,24,31 Dates of Tuesday: 4,11,18,25 So, 10 days x 2 performances = 20 Remaining Days = 31 - 10 = 21 - 2 (days when they didn't perform) = 19 So, 19 days x 1 performance = 19 Total performance = 20 + 19 = 39
