Tolongin aku dong bang​

Jawaban:

Perbandingan terbalik

ket: s= subjek

t= waktu

10. c. 18

s1=30 kambing. t1= 15 hari

s2= 30-5=25 kambing. t2= ?

* s1. t2=s2.t2

30×15=25×t2

450=25t2

t2=450÷25

t2=18

11. b. 4

s1= 120 ayam. t1= 5 hari

s2= 120+30=150 ayam. t2=?

*s1. t1=s2.t2

120×5=150×t2

600=150t2

t2=600÷150

t2=4

12. a. 10

s1= 15 orang. t1= 8 hari

s2= 12 orang. t2=?

*s1.t1=s2.t2

15×8=12×t2

120=12t2

t2=120÷12

t2=10