A) 5
B) 7
C) 10
D) 12
Correct Answer: B
Solution :
Let the number of cows be x and the number of hens by y. Then, \[4x+2y=2(x+y)+14\] \[\Rightarrow \] \[4x+2y=2x+2y+14\] \[\Rightarrow \] \[2x=14\] \[\Rightarrow \] x = 7You need to login to perform this action.
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