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:) There are 18 animals in the field. Some are horses and some are geese. There are 56 legs in all. How many of each animal are in the field?
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:) There are 18 animals in the field. Some are horses and some are geese. There are 56 legs in all.

How many of each animal are in the field?

User Benoit Cuvelier
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1 Answer

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Let number of horses be x, number of geese be y
x+y=18
4x+ 2y = 56
Substituting in Equation 1 into 2,
4x + 2y - 2(x+y) = 56-2(18)
2x = 20
x = 10
when x= 10, y= 8
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