Question 1162825
<pre>
Khalid             56
Cathleen           b+6
Brody               b
</pre>

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The sum of Cathleen’s and Brody’s
ages is half Khalid’s age.
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{{{(b+6)+b=56/2}}}

-

{{{2b=28-6}}}

{{{b=14-3}}}

{{{b=11}}}-----------Brody

-

{{{b+6=highlight(17)}}}-----------Cathleen