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3 years ago

14

the length of a rectangular pool is three times its width. The perimeter of the rectangular pool is 168 feet. find the length an

d width of the pool.

2 answers:

lorasvet [3.4K]3 years ago

8 0

Answer:

<em>w = 21 feet</em>

<em>l = 63 feet</em>

Step-by-step explanation:

<em>l = 3w</em>

<em>P = 2(l + w)</em>

<em>168 = 2(l + w) : 2</em>

<em>84 = l + w</em>

<em>replace l</em>

<em>84 = 3w + w</em>

<em>4w = 84</em>

<em>w = 84 : 4</em>

<em>w = 21 feet</em>

<em>l = 3w</em>

<em>l = 3×21 feet</em>

<em>l = 63 feet</em>

igor_vitrenko [27]3 years ago

7 0

Step-by-step explanation:

breadth = 21 m

length = 63 m

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