Question

Jawab kak yang jawab asalan akan dihapus

Answer 1

Verified answer

Kelas 7 Matematika
Bab Perbandingan dan Aritmatika Sosial

Kelereng merah = m
Kelereng hijau = h
Kelereng biru = b

m : h = 5 : 3 = 15 : 9
m : b = 3 : 4 = 15 : 20
m : h : b = 15 : 9 : 20

1] Kelereng hijau
= (9/15) . 30
= 9 . 2
= 18 butir

2] Kelereng biru
= (20/15) . 30
= 20 . 2
= 40 butir

✩✩ A ✩✩