There are some pigeons and hares in a zoo. If heads are counted, there are 200. If legs are counted, there are 880. The number of hares in the zoo is? Choose the correct choice:
A) 90
B) 99
C) 77
D) 66
E) 240
200*2= 
<gadget id="calculator">200*2</gadget>
<output>400</output>
400   880   -----   480   1----2   ?----480= 240   Answer:240
<result>E</result>
There are some pigeons and hares in a zoo. If heads are counted, there are 200. If legs are counted, there are 880. The number of hares in the zoo is?