Question 1140233
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<pre>
Let x = "how many foxes will be needed to catch 60 hens in 60 minutes".


In the first case, the rate of catching is  {{{6/(6*6)}}}  in terms of hens per fox per minute.


In the second case, the rate of catching is  {{{60/(x*60)}}}.


These rates are assumed to be the same - it gives you an proportion


    {{{6/(6*6)}}} = {{{60/(x*60)}}},   or


    {{{1/6}}} = {{{1/x}}}.


From the last proportion,  x = 6.


<U>ANSWER</U>.  6 foxes.
</pre>

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