<PRE><B>Question 1200107</B>
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To see many other similar &amp;nbsp;(and different) &amp;nbsp;solved problems, &amp;nbsp;look into the lesson

&amp;nbsp;&amp;nbsp;&amp;nbsp;&amp;nbsp;- &lt;A HREF =https://www.algebra.com/algebra/homework/Permutations/Arranging-elements-of-sets-containing-undistinguishable-elements.lesson&gt;Arranging elements of sets containing indistinguishable elements&lt;/A&gt; 

in this site.


After reading, &amp;nbsp;your horizon become much wider, &amp;nbsp;and you will tackle 
such problems on your own, &amp;nbsp;without asking for help from outside.



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