Jawabanmu

2014-02-10T18:25:00+07:00
Harga mesin cetak = x
harga komputer = y
x = 5y
2x + 5y = 60.000
2(5y) + 5y = 60.000
10y + 5y = 60000
15y = 60000
y = 60000/15
y = 4000
x = 5y
x = 5(4000)
x = 20.000