A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 65 percent of the remaining rolls were sold between noon and closing time. How many dozen rolls had not been sold when the bakery closed yesterday?	Answers:	A) 5	B) 6	C) 7	D) 8	E) 9
answer is C ...7 dozens ....   half sold by noon --&gt; 20 dozens (20 *12 =240)   remaining --&gt; 20 dozens i.e 240 eggs...   65% sold --&gt; 65*240/100 =156 eggs   remaining 35 % --&gt; 84 eggs (7 dozens ) --&gt; answer --  65*240/100= 
<gadget id="calculator"> --  65*240/100</gadget>
<output>156</output>
156 eggs   remaining 35 % --&gt; 84 eggs (7 dozens ) --&gt; answer
<result>C</result>
A bakery opened yesterday with its daily supply of 40 dozen rolls. Half of the rolls were sold by noon, and 65 percent of the remaining rolls were sold between noon and closing time. How many dozen rolls had not been sold when the bakery closed yesterday?