My three daughters are born 2 years apart and have a combined age of 63. How old is the eldest? 



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There are several ways to interpret this question, but I will use the interpretation that each daughter is born two years after the previously born daughter.  ("My three daughters were EACH born 2 years apart, and have a combined age of 63." )



With this interpretation, their ages are x, x+2, and x+4:



x + (x+2) + (x+4) = 63



3x + 6 = 63

3x = 57

x = 19  --> x+2 = 21  and x+4 = 23



The daughters are 19, 21, and 23.  The eldest is  years old





I think the presentation of this question could be better.



 

Answer by greenestamps(13200)   (Show Source): You can put this solution on YOUR website!
 


Since their ages are 2 years apart, the average of the three ages is the age of the middle daughter.  So the middle daughter's age is 63/3 = 21; that makes the eldest daughter 21+2 = 23. 

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