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Verified answer
Bab PerbandinganMatematika SMP Kelas VIII
Tino : Tini = 2 : 3
Tino/Tini = 2/3
Tino = 2 x Tini/3
Tini = Via + 3
Via = Tini - 3
Tino + Tini + Via = 37
2 x Tini/3 + Tini + Tini - 3 = 37
2 Tini/3 + 2 Tini = 37 + 3
2 Tini/3 + 2 Tini = 40
**semua dikalikan 3**
2 Tini + 6 Tini = 120
8 Tini = 120
Tini = 120/8
Tini = 15 tahun
Tino = 2 x Tini / 3
= 2 x 15 / 3
= 30/3
= 10 tahun
usia Tino 5 tahun lalu = 10 - 5
= 5 tahun