pedagang mendapat untung 20% Jika Barang Yang Dijual Rp.66.000,00 Berapa Harga Pembelian ?

======== Jawaban ========

Sub. Mapel = Math
Sub. Materi = Aritmatika Sosial
Pertayaan yg diajukan = 1

Penyelesaian :
Harga pembelian
= 100/(100 + %untung) × Harga jual
= 100/(100 + 20) × Rp 66.000,00
= 100/120 × Rp 66.000,00
= Rp 55.000,00[tex] [/tex]

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Hopefully is the best for you :)