Problema Solution
There is a farmer that has two types of animals, ducks and cows. If he sees 54 heads and 122 feet then how many of each animal are there?
Answer provided by our tutors
Duck: x
Cow: y
So the equation is
x + y = 54
2x + 4y = 122
We solve it
x = 47
y = 7
So
Duck: 47
Cow: 7