Helena has 60 feet of metal fencing material to fence three sides of a rectangular garden. A tall wooden fence serves as her fourth side. . Write a function for the area of the garden A in terms of x, the width in feet. The area of the garden van be modeled by A =( ). What measures for the width will give an area of at least 400 square feet? To obtain an area of at least 400 square feet, the width must be between ft and ft. M 9 DELL

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