Question
A farmer keeps hens and rabbits on his farm. One day, he counted a total of 70 heads and 196 legs. How many more hens than rabbit does he have? Explain your working please. Your help is greatly appreciated.
Answers
Reiny
number of hens --- x
number of rabbits --- y
x + y = 70 , using heads info
2x + 4y = 196 , using legs info
or
x + 2y = 98
subtract the two equations ....
y = 28
then x = 42
so ... 42 hens and 28 rabbits.
number of rabbits --- y
x + y = 70 , using heads info
2x + 4y = 196 , using legs info
or
x + 2y = 98
subtract the two equations ....
y = 28
then x = 42
so ... 42 hens and 28 rabbits.