<em><u>There are 9 pies that the club needed to make.
</u></em>
<em><u>
</u></em>
<em><u>Since we have given that
</u></em>
<em><u>
</u></em>
<em><u>Number of pies = 4
</u></em>
<em><u>
</u></em>
<em><u>Number of pieces cut from each pie = 7
</u></em>
<em><u>
</u></em>
<em><u>So, total number of pieces they needed = 91
</u></em>
<em><u>
</u></em>
<em><u>Number of pieces from 4 pies =
</u></em>
<em><u>
</u></em>
<em><u>so, Number of pieces the club needed to make is given by
</u></em>
<em><u>
</u></em>
<em><u>Since each pie is cut into 7 pieces.
</u></em>
<em><u>
</u></em>
<em><u>And number of extra pieces needed = 63
</u></em>
<em><u>
</u></em>
<em><u>So, Number of pies would be
</u></em>
<em><u>
</u></em>
<em><u>Hence, there are 9 pies that the club needed to make.</u></em>