Question 739508
<pre><b>
The set of marbles consists of:

{<font color="red">1</font>, <font color="red">2</font>, <font color="red">3</font>, <font color="red">4</font>, <font color="red">5</font>, <font color="red">6</font>, <font color="red">7</font>, <font color="green">1</font>, <font color="green">2</font>, <font color="green">3</font>, <font color="green">4</font>, <font color="green">5</font>} 

{{{7_red_marbles_choose_4/12_marbles_choose_4}}}{{{""=""}}}{{{35/495}}}{{{""=""}}}{{{7/99}}}

Edwin</pre></b>