tolong ya semua bantu no 11,12,13,14 sama caranya mau dikumpulin besok

11) 1,6 = 1,6
30% = 0,3
1 2/5 = 1,4
7/4 = 1,75
Diurutkan = 30%; 1 2/5; 1,6; 7/4(B)

12)1,2 = 12/10 = 6/5 (di÷2) = 1 1/5(A)

13)1 1/4 - 85% + 0,3 
= 1,25 - 0,85 + 0,3
= 0,4 + 0,3 = 0,7(B)

14)1/2 - 3/8 x 4/5
= 1/2 - 12/40
= 1/2 - 3/10(di÷4)
= 5/10 - 3/10
= 2/10 = 1/5 (di÷2)(C)