Question

Patru iepuri mananca 2 kg de morcovi in 5 zile .Aflati cat consuma cei patru iepuri intr-o zi .Cate kg de morcovi consuma 8 iepuri in 15 zile?

Answer 1

Notam cu i-nr de iepuri si cu z-nr de zile
a)  4i........2kg morcovi.........5zile
     4i........x kg morcovi..........1zi
=>x=1x2/5=0.4 kg morcovi

b)  4i.......2kg morcovi..........5zile
     8i.......y kg morcovi.........5zile
=>y=8x2/4=4 kg morcovi in 5 zile

     8i.......4kg morcovi......5zile
     8i.......z kg morcovi.....15 zile
=>z=12 kg morcovi