Question

Ajutatima va rog....Un tractor ara in 4 zile 49 de hectare. In cite zile tractorul va ara 122,5 hectare? Imi prebue zerolvarea ms

Answer 1

4zile.............49ha
xzile............122,5ha
_____________________
x=$\frac{4*122,5}{49} =4*2,5=10$zile

x=10 zile

Answer 2

4/x=49/122,5
⇒x=4·122,5/49
⇒x=490/49
⇒x=10[zile-tractorul va ara 122,5ha];