Brain Teasers
What a Marriage!
Chris and Jill were married. On their marriage day, Chris was three times as old as Jill. 21 years later, Chris was only 2 times as old as Jill. What was their age when they were married?
Hint
c= Chris' age at marriagej= Jill's age at marriage
c = 3j at marriage
c + 21 = 2j + 42
...you take it from here
Answer
Chris was 63.Jill was 21.
c = 3j at marriage
c + 21 = 2j + 42
c = 2j + 21
(3j) = 2j + 21
j = 21
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