seorang pedagang menjual barangnya seharga Rp.150.000,00. ternyata ia menderita kerugian 20% . harga pembeliannya adalah... a.Rp.150.000,00 b.Rp.180.000,00 c.Rp

HB = 100
_______ x HJ
(100 - PR)
HB = 100
________ x 150.000
(100 - 20%)
HB = 100
______ x 150.000
80
HB = 15.000.000
__________
80
HB = Rp 187.100 (C)

Jawab :

Harga beli = B
150000 = 80% B
B = 150000 : 80%
B = 150000 × 100/80
B = harga pembelian = 187500