.tolong dong dengan caranya

16. 2 1/2 = 5/2
2 2/8 = 18/8
1 1/2 = 3/2
5/2 x 18/8 : 3/2 = ...........
5/2 x 18/8 x 2/3 = 180/48
= 3 36/48
= 3 3/4
Jawaban = b.3 3/4

17. 72,02 + 27,98 = 100
100 - 39,119 = 60,881
Jawaban = D.60,881