Question

There are a total of 60 cows and chickens in the farm. If there are x chickens, how many are cows?

Answer 1

C=60-x
say there are no cows and just chickens

Answer 2

C = 60-x

Explanation:

Let's say the no. of cows are C . So here, sum of cows and chickens are 60. So...

• x+C = 60

Make C the subject.

• x+C-x = 60-x
• C = 60-x.