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Telur = t
2b + 3t = 52.000 | x 1 | ⇒ 2b + 3t = 52.000
b + 2t = 32.000 | x 2 | ⇒ 2b + 4t = 64.000 -
-t = -12.000
t = 12.000
2b + 3t = 52.000
2b + ( 3 × 12.000 ) = 52.000
2b + 36.000 = 52.000
2b = 16.000
b = 8.000
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a.
Harga 1 kg beras = Rp 8.000
Harga 1 kg telur = Rp 12.000
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b.
Harga 3 kg beras = Rp 24.000
Harga 4 kg telur = Rp 48.000