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The Browns installed 96 feet of fencing around a rectangular play yard. If the yard covers 540 square feet, what are its dimensions?
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L + W = = 48.
L*W = 540,
where L is the length and W is the width.
---> L = 48-W.
Substitute it into the second equation for L. You will get a single equation for W:
(48-W)*W = 540.
Simplify and solve this quadratic equation by any method.
Answer. L = 30 ft, W = 18 ft.
