sydc1215
25.07.2019 •
Mathematics
Mama cumpara 3 kg de cartofi si 5 kg de rosii platind 39 lei iar sora ei cumpara 6 kg de cartofi si 2 kg de rosii platind 30 lei . cat costa 1 kg de cartofi ? dar 1 kg de rosii ?
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Ответ:
Ответ:
5.5 should be the answer because 20*5.5= 110 and 110/5.5 should equal 20