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Keju = K
a) 10s + 6k = 45.000 , 5s + 4k = 25.000 , 2s + 2k =
b)10s + 6k = 45.000
10s + 8k = 50.000 [x2]
-------------------- -
-2k = -5.000
k = 2.500
5s + 4k = 25.000
5s + 4(2.500) = 25.000
5s + 10.000 = 25.000
5s = 15.000
s = 3.000
2s + 2k =
2(3000) + 2(2500) =
6000+5000 = 11.000 (paket3)
semogamembantu