SOLUTION: There is a certain number of hens and rabbits in a room. The numbers of feet of the hens exceeds the number of feet of the rabbits by 12, while the number of heads of the hens exce

Algebra ->  Human-and-algebraic-language -> SOLUTION: There is a certain number of hens and rabbits in a room. The numbers of feet of the hens exceeds the number of feet of the rabbits by 12, while the number of heads of the hens exce      Log On


   

Question 460902: There is a certain number of hens and rabbits in a room. The numbers of feet of the hens exceeds the number of feet of the rabbits by 12, while the number of heads of the hens exceeds the number of the rabbits by 28, then find:
a. the number of hens
b. the number of rabbits
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
Let h=number of hens and r=number of rabbits.
2h-4r=12
h-r=28
.
h=r+28
2(r+28)-4r=12
2r+56-4r=12
-2r=-44
r=22
h=50
.
Ed