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K ; Tas = T
2 K + 5 T = 600.000 ...(1)
3K + 2T = 570.000 …(.2)
Dari (1) dan (2)
2 K+5 T= 600.000 x 3 ⇒ 6K + 15 T = 1800.000
3K +2T = 570.000 x 2 ⇒ 6K + 4 T = 1140.000
11T = 660.000
T = 60.000
2 K + 5 T = 600.000
2K = 600.000 – 5 T
2K = 600.000 – 5. 60.000
2K = 300.000 K = 150.000
Maka harga sebuah koper dan 2 tas adalah:
K + 2 T = 150.000 + (2 x 60.000)
= Rp. 270.000,-
3k+2t=570.000
eliminasikan mnjd :
6k + 15t=1.800.000
6k+4t= 1.140.000
dikurang
==> 11t = 6.600.000
t= 60.000, ingat t= tas dan k = koper
harga 1 koper = 2k + 5t=600.000
=2k + 5(60.000)=600.000
=2k+300.000=600.000
=2k=600.000-300.000
=2k=300.000
k= 150.000