Question

4.
In a farm, there are few chicken and goats only. If
their head counts and leg counts are 10 and 28
respectively then the number of chicken among
them is
(1) 2
(2) 4
(3) 6
(4) 8
want full explanation​

Answer 1

Answer:

let the chickens be x

legs: 4x+2y=28

head:x+y=10 now

4x+2y=28 2x+2y=20 /2x=8

2x=8

x=4,y= 6