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| Math Central | Quandaries & Queries |
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Question from evelyn, a parent: Some chickens, cows and sheep are in the field. Their number of legs is 12 more than twice their number of heads. How many four-legged animals are in the field? |
Hi Evelyn,
If the number of legs were twice the number of heads then all the animals would have 2 legs and there would be no four-legged animals. Where are the 12 extra legs?
Harley
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