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Pak Tiko membeli 20 pak buku tulis dengan harga Rp1.800.000,00 (1 pak berisi 40 buku tulis). Pak Tiko

Rani Maharani

Soal

Pak Tiko membeli 20 pak buku tulis dengan harga Rp1.800.000,00 (1 pak berisi 40 buku tulis). Pak Tiko menjual buku tersebut di warungnya dan mendapat untung 20%. Tentukan harga jual untuk tiap buku!

Pembahasan

\begin{aligned} ℎ � � � � � � � � � � � � � � � � � � � � & = \frac{ℎ � � � � � � � � � � � � � �}{� � � � � ℎ � � � � � � � � � � � � � � �} \\ = \frac{1.800.000}{20 \times 40} \\ = 2.250 \end{aligned}

\begin{aligned} � � � � � � � � � � � � � � � � � � & = ℎ � � � � � � � � � � � � � � � � � � � � \times 20 % \\ = 2.250 \times 0.2 \\ = 450 \end{aligned}

\begin{aligned} ℎ � � � � � � � � � � � � � � � � � � � � & = ℎ � � � � � � � � � � � � � � � � � � � � + � � � � � � � � � � � � � � � � � � \\ = 2.250 + 450 \\ = 2.700 \end{aligned}

Jadi, harga jual untuk tiap buku tulis adalah Rp2.700,00.

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