Question 1205460
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I'm now finding Rayyan first had 204 marbles and Brian first had 306 marbles.
Needs rechecking...


<pre>
                INITIAL            THE CHANGE

Brian             b                 b-42

Rayyan            r                 r+60
</pre>

{{{system(b/6=r/4,b-42=r-60)}}}

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{{{system(r=204,b=306)}}}-------each of their initial marbles