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There are 7 animals in the barn. Some are chickens and some are oxen. There are 20 legs in all. How many of each animal are there? (Please show all work)

Answer :

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Answer:

4 Chickens, 3 Oxen

Step-by-step explanation:

Given:

  • 7 animals
  • 20 legs total

Known:

  • Chickens have 2 legs
  • Oxens have 4 legs

Solution:

  • 4 Chickens have a total of 8 legs (2 + 2 + 2 + 2)
  • 3 Oxen have a total of 12 legs (4 + 4 + 4)
  • There are a total of 20 legs in total between the chickens and oxens.

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