There are some pigeons and hares in a zoo. If heads are counted, there are 120. If legs are counted, there are 580. The number of hares in the zoo is?
Choose the correct choice from the following answers
A) 20	B) 82	C) 190	D) 137	E) 170
120*2= 
<gadget id="calculator">120*2</gadget>
<output>240</output>
240   580   -----   340   1----2   ?----340=170   Answer:170
<result>E</result>
There are some pigeons and hares in a zoo. If heads are counted, there are 120. If legs are counted, there are 580. The number of hares in the zoo is?