Question 1176549
<pre>
PERSON               AGE
Larry                m+5
Mark                  m
Andrew               2(m+5)+6
SUM                  57
</pre>
{{{(m+5)+m+2(m+5)+6=57}}}

-

{{{3(m+5)+(m+6)=57}}}

{{{3(m+5)+(m+5)+1=57}}}

{{{4(m+5)=56}}}

{{{m+5=14}}}

{{{highlight(m=9)}}}
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