Question

A rectangular pool measuring 6 feet by 12 feet is surrounded by a walkway. The width of the walkway is the same on all four sides of the pool. If the total area of the walkway and pool is 520 square feet, what is the number of feet in the width of the walkway?



(6+2w)(12+2w) = 520
w = 7
LOL ANONYMOUS GOOD ONE

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