Problema Solution
There are 13 animals in the barn. Some are chickens and some are pigs. There are 40 legs in all. How many of each animal are there?
Answer provided by our tutors
Let
x = the number of chicken
13 - x = the number of pigs
2x + 4(13 - x) = 40
........
click here to see the equation solved for x
........
x = 6 chickens
13 - x = 13 - 6 = 7 pigs
There are 6 chickens and 7 pigs in the barn.