Mr smith keeps ducks and pigs on his farm

Question

Mr smith keeps ducks and pigs on his farm. One day he counted of 125 heads and 360 legs. Find the total number of ducks and pigs

 

 

Answer 1

d = number of ducks

p = number of pigs

 

d + p = 125

2d + 4p = 360

 

Solve for d and p and get

 

d = 70

p = 55