Question 1206973
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https://math.stackexchange.com/questions/4453868/mary-m-is-twice-as-old-as-ann-a-was-when-m-was-half-as-old-as-a-will-be-when



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I agree with the comments of @greenestamps.


Regarding non-integral answer in the link,  I'm not to blame for this.
All questions are not for me.


In this case my role is not teaching - only giving an information,
which  I  found in the  Internet by spending my time to help you.



Regarding teaching,  see similar problems solved in this  {{{highlight(highlight(my))}}}  lesson

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/age/Really-intricate-age-word-problem.lesson>Intricate age word problems</A>


in this site. &nbsp;&nbsp;It is really designed/intended to teach.


After reading it, &nbsp;you will be prepared enough to solve this type of age problems,
twisted enough, &nbsp;but not toooooo much, &nbsp;as in your post.



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Still ancient Greeks said that the main thing is a sense of proportion.

This feeling is obviously lost in this exercise.