SOLUTION: question-A man has some hens and cows.If the number of heads be 48 and the number of feet equals 140,then the number of hens will be?
Algebra.Com
Question 560532: question-A man has some hens and cows.If the number of heads be 48 and the number of feet equals 140,then the number of hens will be?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
cows x numbers
hens y numbers
x+y=48 .............1
4x+2y=140 .............2
Eliminate y
multiply (1)by -2
Multiply (2) by 1
-2x-2y=-96
4x+2y= 140
Add the two equations
2x=44
/2
x= 22
plug value of x in (1)
x+y=48
22+y=48
y=48-22
y = 26
cows 22 numbers
hens 26 numbers
m.ananth@hotmail.ca
RELATED QUESTIONS
A man has some hens and cows. If the number of feet equal 140, the number of
hens will... (answered by jojo14344)
A person have some hens and some cows. Number of head is 38 and number of legs 100 then... (answered by stanbon,fractalier,ikleyn)
There is a certain number of hens and rabbits in a room. The numbers of feet of the hens... (answered by edjones)
In a group of cows and chickens, the number of legs was 84 more then twice the number of... (answered by stanbon)
Tops went to his grandfather’s farm. His grandfather has cows and ducks on his farm. He (answered by josgarithmetic)
In a barn with cows and chickens, the number of legs was 16 more than twice the number of (answered by palanisamy)
Farmer Brown had ducks and cows. one day she noticed that the animals had a total of 15... (answered by josgarithmetic)
A grazing land can feed a certain number of cows in one year (365days). If the number of... (answered by josgarithmetic)
Hi
A farm had some cows and goats. 1/5 of the cows and 3/11 of the goats were sold .... (answered by ikleyn)