Question 346430
Hi,
*Note: the perimeter is all the way around the pen where one side is 18yd.
Let x be the length of the other side of the fence.
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the question states the following to be true:

18 + 18 + x + x = 75
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Combine like terms and solve:
2x = 39
x = 19.5 yds
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Dimensions are 18yd by 19.5yd
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Check Your answer:
18 + 18 + 19.5 + 19.5 = 75