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the farmer has 130 pigs. you usually solve these problems with diagrams but since there are larger numbers i did it this way: there are 220 animals, and you know that they all have at least two legs. 220 x 2 = 440. you have 700 legs all together, so you subtract. 700 - 440= 260. you need 260 more legs. since you already accounted for each to have two legs, you need to divide 260 by 2 to see how many animals need two more legs, to equal four. (a pig.) 260/2= 130. therefore, 130 animals have four legs, making 130 pigs.

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Q: A farmer raises pigs and chickensthe farmer has 220 animals with atotal of 700 legs how many pigs does the farmer have?
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