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Balita = B
Dewasa = D
2.000B + 3.000D = 1.260.000 ( bagi 1000)
B + D = 540 .....> kali 2
2B + 3D = 1.260
2B + 2D = 1.080 -
D = 180 tiket
B + D = 540
B + 180 = 540
B = 540-180
B = 360
jadi tiket Balita =360
tiket Dewasa= 180