1 lusin = 12
½ lusin = 6
6 gelas = 39.000
1 gelas = 39.000/6 = 6.500
jika ibu mirna membayar 143.000 maka banyak gelas yg dibeli :
143.000/6.500
= 22 gelas
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1 lusin = 12
½ lusin = 6
6 gelas = 39.000
1 gelas = 39.000/6 = 6.500
jika ibu mirna membayar 143.000 maka banyak gelas yg dibeli :
143.000/6.500
= 22 gelas