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Verified answer
1)P = Rp 2.200.000,00
%U = 10%
B = ....???
P = B × (100% + %U)
2.200.000 = B × (100% + 10%)
2.200.000 = B × 110%
B = 2.200.000/110%
B = 2.200.000 × 100/110
B = Rp 2.000.000,00
Jadi harga pembelian kamera tersebut adalah Rp 2.000.000,00
2)
P = Rp 10.800.000,00
%R = 10%
B = ....???
P = B × (100% - %R)
10.800.000 = B × (100% - 10%)
10.800.000 = B × 90%
B = 10.800.000/90%
B = 10.800.000 × 100/90
B = Rp 12.000.000,00
Jadi harga pembelian motor Pak Joko adalah Rp 12.000.000,00