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A farmer has 550 yd of fencing to enclose a rectangular pasture for her goats. Since one side of the pasture borders a​ river, that side does not need to be fenced. Side b must be three times as long as side a. Find the dimensions of the rectangular pasture.

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Solution is on the picture below
A farmer has 550 yd of fencing to enclose a rectangular pasture for her goats. Since-example-1
User Imaginaryboy
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