Question 1143660
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There is not enough information to determine the age of any of them.  The most we can do is determine Stanley's age 3 years ago in terms of m.<br>
When we do that, the correct interpretation of Michael being 3 times OLDER THAN Fiona is that Michael's age is m+3m = 4m.<br>
That makes Stanley's age 4m+19.<br>
So Stanley's age 3 years ago was 4m+16.