Hi sir..I have a question for you...if there are x buffalo,y cows and

This question was asked in Ex 4.6, 16

Hi sir..I have a question for you...if there are x buffalo,y cows and z goat and each buffalo gives 5ltr milk,each cowgives 2ltr and goat gives 0.25 ltr. And total milk should be 20 ltr and total animals should be 40...find x,y and z