There are some pigeons and hares in a zoo. If heads are counted, there are 200. If legs are counted, there are 580. The number of hares in the zoo is?
Select the correct option.
A) 87
B) 27
C) 90
D) 26
E) 29
200*2= 
<gadget id="calculator">200*2</gadget>
<output>400</output>
400   580   -----   180   1----2   ?----180= 90   Answer: 90
<result>C</result>
There are some pigeons and hares in a zoo. If heads are counted, there are 200. If legs are counted, there are 580. The number of hares in the zoo is?