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(14+n2)60,75 = 14(60) + n2(66)
n2(66 - 60,75) = 14(60,75 - 60)
n2( 5,25) = 14(0,75)= 10,5
n2 = 10,5 /(5,25)
n2 = 2
tanbhan siswa = 2 orang