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O ferma are 100 vaci,80 cai si 200 gaini.Stiind ca o vaca consuma zilnic 18,5 litri de apa ,un cal cu 50% din mai mult,iar o gaina de zece ori mai putin decat o vaca,calculati cati litri de apa consuma animalele de la ferma in 3 zile.

Răspuns :

1.18,5+50%(9,25litri)
2.18,5:10=1,85litri
3.cit consuma vaca in 3zile:18,5x3=55,5litri
4.cit consuma un cal in 3zile:9,25x3=27,75litri
5.cit consuma o gaina in 3zile:1,85x3=6,55litri
6.55,5+27,5+6,55=89,55litri in 3zile
                          Raspuns:89,55litri