Problema Solution
In January of the year 2000, I was one more than eleven times as old as my son William. In January of 2009, I was seven more than three times as old as him. How old was my son in January of 2000?
Answer provided by our tutors
Your son was 3 years old. E represents your age in 2000 and W represents your sons.
E + 9 = 3W + 34
(11W + 1) + 9 = 3W + 34
11W - 3W = 34 - 9 - 1
8W = 24
W = 3