tolong dibantu jawabannya ya kawan

Semoga membantu ya :)

26. a : b
       1/3 : 0,6 = 1/3 : 6/10 = 1/3 x 10/6 = 10/18 = 5/9

27. segitiga sama sisi
28. 60 % x 5/8 = 60/100 x 5/8 = 300/800 = 15/40 = 3/8
29. 0,04 x 2,3 = 0,092
30. 5/7 x 1 1/2 : 3/5 = 5/7 x 3/2 x 5/3 = 75/42 = 1 33/42 = 1  11/14