A bakery opened yesterday with its daily supply of 50 dozen rolls. Half of the rolls were sold by noon, and 84 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?	Select:
A) 5  B) 4  C) 3  D) 2  E) 1
answer is B ...4 dozens ....   half sold by noon --&gt; 25 dozens (25 *12 =300)   remaining --&gt; 25 dozens i.e 300 eggs...   84% sold --&gt; 84*300/100 =252 eggs   remaining 16% --&gt; 48 eggs (4 dozens ) --&gt; answer --  84*300/100= 
<gadget id="calculator"> --  84*300/100</gadget>
<output>252</output>
252 eggs   remaining 16% --&gt; 48 eggs (4 dozens ) --&gt; answer
<result>B</result>
A bakery opened yesterday with its daily supply of 50 dozen rolls. Half of the rolls were sold by noon, and 84 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?