no 23 dong tolongg. saya ga ngerti

rata rata 11 bilngan = 13
rata rata 13 bilangan = 11
jumlah 11 bilangan = 13x11 = 143
jumlah 13 bilangan = 11x13= 143
rata rata = (143+143) / 24 = 286/24 = 11 ²²/24 =11 ¹¹/12
jawaban: E