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Pensil = 2, Pulpen = 2 = Rp.7500,00
7500 - 5500 = Pensil = 1, Pulpen = 0 =
Rp.2000,00 (Harga 1 Pensil)
5500 - 2000 = Rp.3500,00 (Harga 2Pulpen)
= 3500 : 2 =
Rp.1750,00 (Harga 1 Pulpen)
Jadi Harga Pensil = Rp.2000,00 dan Harga Pulpen = Rp.1750,00