The length of a rectangular garden is three times its width. If the area of the rectangular garden is 768 square meters, then what is the width of the rectangular garden? Choose the most appropriate option:  A) 16  B) 17  C) 18  D) 19  E) 20
Let x be the width of the garden.   3x^2 = 768   x^2 = 256   x = 16   The answer is 16.
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The length of a rectangular garden is three times its width. If the area of the rectangular garden is 768 square meters, then what is the width of the rectangular garden?