tolong jawab yg di lingkarin

Mapel : Matematika
Bab : Perbandingan

12)


Selly - Sella = 8 Buah

Selly : Sella = 8 : 6

Sella = 6/8-6 × 8
Sella = 6/2 × 8
Sella = 24 buah

(D)

14)
Lina : Luna = 3 : 4
Lina + Luna = 98 kg

Lina = 3/3+4 × 98
Lina = 3/7 × 98
Lina = 42 kg

Luna = 4/3+4 × 98
Luna = 4/7 × 98
Luna = 56 kg

(C)

Jawaban yg benar adalah C