harga 1 lusin piring Rp.45.000 tentukan harga 30 pcs piring
hrs pake cara
hrs pake cara
Jwb :
1 lusin = 12 pcs
1 pcs = 45.000/12
= 3.750
30 pcs = 3.750 × 30
= 112.500
》 Penyelesaian
____________________________
1 lusin = Rp. 45.000
1 lusin = 12 buah
1 pcs = 45.000 : 12
1 pcs = 3.750
》 Harga 30 pcs
= 30 × 3.750
= Rp. 112.500
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