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Verified answer
Bab Sistem Persamaan Linear Dua Variabel8p = 2b
4p = b
3p + 4b = Rp38.000
3p + 4(4p) = Rp38.000
3p + 16p = Rp38.000
19p = Rp38.000
p = Rp2.000
b = 4p
b = 4(Rp2.000)
b = Rp8.000
Harga 3 pensil dan 5 buku tulis
= 3p + 5b
= 3(Rp2.000) + 5(Rp8.000)
= Rp6.000 + Rp40.000
= Rp46.000,00