Matematika harga 1 lusin piring Rp.45.000 tentukan harga 30 pcs piring


hrs pake cara ​

harga 1 lusin piring Rp.45.000 tentukan harga 30 pcs piring


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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