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pensil=p
b= 6p
5b + 2p =Rp. 48.000
6b + 4p=...?
jawaban
5b +2p =48.000
(5×6)p + 2p=48.000
30p + 2p=48.000
32p = 48.000
p =48.000 : 32
p =Rp. 1500
5b + 2p=48.000
5b + 2×1500 = 48.000
5b + 3000= 48.000
5b = 48.000-3000
5b = 45.000
b = 45.000 : 5
b = Rp. 9000
6b + 4p =......?
6(9000) + 4(1500) =........?
54.000 + 6000 =Rp.60.000
Jadi,harga 6 buku dan 4 pensil adalah Rp. 60.000