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2p = 5w
pengunjung pria pergi 5 jadi 2:1,
jadi,
p-5 = 2w
p = 2w + 5
lalu masukan p ke,
2p = 5w
2 (2w+5) = 5w
4w + 10 = 5w
10 = 5w - 4w
w = 10
lalu masukan w ke,
2p = 5w
2p = 5 (10)
2p = 50
p = 25
jadi banyak pengunjung pesta,
= p + w
= 25 + 10
= 35