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apel = x
jeruk = y
3x + 2y = 48.000. (×2)
2x + 1y = 28.000 (×3)
--------------------
6x + 4y = 96.000
6x + 3y = 84.000
-------------------- -
y = 12.000
2x + 1y = 28.000
2x + 12.000 = 28.000
2x = 28.000 - 12.000
2x = 16.000
x= 16.000/2
x=8.000
maka harga
1 kg apel = Rp 8.000,-
1kg jeruk = Rp 12.000,-
ditanya
2 kg apel + 5kg jeruk =
2x + 5y =
2(8.000) + 5(12.000) =
16.000 + 60.000 =
Rp 76.000,-
jadi jawabannya = c. Rp 76.000,-
semoga membantu
jadikan yang tercerdas ya :)