Question

Tolong jawab no 11.12.13 pake cara

Answer 1

11.
120 ekor ayam = 5 hari
150 ekor ayam = x
x = 120 x 5 /150
x= 4 hari (B)
12.
15 orang = 8 hari
12 orang = x
x = 15 x 8 / 12
x = 10 hari(A)
13.
8 jari-jari = 7.5
12 jari-jari = x
x = 8 x 7.5 / 12
x = 5 cm (D)