The length of a rectangular swimming pool is exactly three times as long as its width. If the pool has a perimeter of 168m find the width of the pool?
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Width = x
Length = 3x
Perimeter = 2(3x + x)
168 = 6x + 2x
168 = 8x
x = 21
3x = 63
Length = 3x
Perimeter = 2(3x + x)
168 = 6x + 2x
168 = 8x
x = 21
3x = 63
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