## Problem Solution

in a farm, the farmer counted 78 legs and 35 heads consisting of cows and hens. How many hens does he have?

## Answer provided by our tutors

Let

x = the number of cows

y = the number of hens

Now, we can write the following system of equations:

4x + 2y = 78

x + y = 35

........

Click here to see the step by step solution for the system of equations

........

x = 4 cows

y = 31 hens

The farmer has 31 hens.