Question

Un tactor ara in 4 zile 49 de hectare . In cite zile tractorul va ara :
a) 73,5 hectare b) 122,5 hectare

Answer 1

1)aflam cite ha ara intr-o zi?
49 :4 =12,25
2)in cite zile va ara 73,5ha?
73,5:12,25=6zile
3)in cite zile va ara 122,5 ha?
122,5 :12,25 =10 zile

Answer 2

4zile----------49ha
x zile----------73,5ha

x=4*73,5:49=294:49=6 zile



4zile----------------------49ha
x zile---------------------122,5

x=4*122,5:49=490:49=10 zile