Răspuns :
Cate piese fac 4 muncitor pe zi?
400:5=80 intr-o zi
4m----80 zi
6m----x zi
x=6*80/4=6*20=120 piese
In cate zile fac 6 muncitori 840 piese?
840:120=7 zile
400:5=80 intr-o zi
4m----80 zi
6m----x zi
x=6*80/4=6*20=120 piese
In cate zile fac 6 muncitori 840 piese?
840:120=7 zile