Question 1202236
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. . . is  {{{(9/16)*(8/15)}}} = {{{72/240)}}} = {{{6/20}}} = {{{3/10}}} = 0.3 = 30%.    <U>ANSWER</U>


The remarkable number of 16 in this problem is the full number of socks in the drawer initially:  16 = 9 + 7.
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Solved, with full explanations.


The meaning of the formula is obvious from its structure, 
so the formula is SELF-EXPLANATORY.