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b = p + 500
3(p+500) + 2p = 9000
3p + 1500 + 2p = 9000
5p + 1500 = 9000
5p = 7500
p = 1500
b = p + 500 = 1500 + 500 = 2000
b + 3p = 2000 + 3 (1500) = 2000 + 4500 = 6500
harga 1 buku 500 lebih mahal dari 1 penggaris
dit: berapa harga 1 buku 3 penggaris ???
peny : * ket buku = B
penggaris = P
B = P+500
3B+2P = Rp.9000,00-
3 (P+500) + 2P = Rp.9000,00-
3P + 1500 + 2P = Rp.9000,00-
3P+2P = Rp.9000,00-Rp.1500,00
5P = Rp.7500,00-
P = Rp.7500,00- / 5
P = Rp.1.500,00-
B = P+500
= Rp.1.500,00- + 500
= Rp. 2.000,00-
harga 1B+3P????
1B+3P
1(Rp.2.000,00-) + 3(Rp.1.500,00-)
Rp.2.000,00- + Rp.4.500,00-
= Rp 6.500,00-