" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
S - T = - 2
Siget(S) + Tulus(T) = 18
Gunakan eliminasi
S-T = - 2
S+T = 18
Maka tinggal -2T = -20, jadi T = 10
S= T - 2 = 10 - 2
S = 8
Perbandingan umur Sigit dan Tulus 4 tahun yg akan datang
S+4 : T+4
8+4 : 10+4
12 : 14
6 : 7