A farm has only chickens and pigs. When the manager of the farm counted the heads of the animals on the farm, the number totaled up to 70. When the number of legs was counted, the number totaled up to 204. How many more chickens than pigs are there on the farm? Note: Each pig has 4 legs and each chicken had 2 legs.  Choose the correct choice: A) 4 B) 5 C) 6 D) 7 E) 8
Let x be the number of chickens.   Then 70-x is the number of pigs.   2x+4(70-x)=204   2x=76   x=38 (chickens)   70-x=32 (pigs)   There are  38-32= 
<gadget id="calculator"> 38-32</gadget>
<output>6</output>
6 more chickens on the farm.   The answer is 6.
<result>C</result>
A farm has only chickens and pigs. When the manager of the farm counted the heads of the animals on the farm, the number totaled up to 70. When the number of legs was counted, the number totaled up to 204. How many more chickens than pigs are there on the farm? Note: Each pig has 4 legs and each chicken had 2 legs.