Please help with question 2

Calculate the median of 'Mango Where Da Woman Go smoothies sold weekly during the past 12 weeks. Units sold Week Mango Where Da Berry the Hatchet Woman Go 50 25 2 39 40 Answer: 3 35 29 4 39 22 5 42 3 6 49 40 7 42 30 8 32 31 9 50 26 10 41 40 11 42 35 12 33 40