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jumlah karyawan perempuan = y
Rata-rata total = 600000
x • 650000 + y • 575000
rata-rata total = _____________________
x + y
650000x + 575000y
600000 = _____________________
x + y
600000x + 600000y = 650000x + 575000y
600000y - 575000y = 650000x - 600000x
25000y = 50000x
25y = 50x
x : y = 25 : 50
x : y = 1 : 2
Jadi, perbandingan banyaknya karyawan laki-laki dan karyawan perempuan adalah 1 : 2