jeden kg cukierków kosztuje 21.40zl. ile trzeba zaplacic za 35 dag tych cukierków
21.40x0,35=7,49zł
100dag-21.4
35dag-x
100x-749
x=7.49
Odp. 7.49
x= 21.4* 0.35 = 7.49 zł
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21.40x0,35=7,49zł
100dag-21.4
35dag-x
100x-749
x=7.49
Odp. 7.49
x= 21.4* 0.35 = 7.49 zł