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A group of lifeguards want to construct a rectangular swimming area along a beach with a string of floats. Only three sides of the area

A group of lifeguards want to construct a rectangular swimming area along a beach with a string of floats. Only three sides of the area will need floats, since the beach will form the fourth side. If the lifeguards use 300 m of floats, what is the maximum possible area? What should the length and width of the swimming area be? Show all steps

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