Problema Solution
A married couple had a combined annual income of 81000. The wife made 9000 more than her husband. What was each of their incomes?
Answer provided by our tutors
81000 = x + (x + 9000)
81000 - 9000 = 2x
72000 = 2x
2x/2 = 72000/2
x = 36000, husband
x + 9000 = 45000, wife