Let Horse = h &
carabao = c
as per 1st given condition,
h = 2/3c........(1)
as per 2nd given condition
c - h = 4
Put the values 'h' from (1) and we get;
c - 2/3c = 4
(3c-2c)/3 = 4
solve brackets and we get;
c/3 = 4
multiply both sides by 3 and we get;
c = 12
So, carabao = c = 12 years. |