SOLUTION: A swimming pool manufacturer installs rectangular pools whose length is twice the width, plus 5 m. The entire outer edge of the pool must be filled with coping, which is a cap use

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Question 1182103: A swimming pool manufacturer installs rectangular pools whose length is twice the width, plus 5 m.
The entire outer edge of the pool must be filled with coping, which is a cap used to join the wall of the pool and the deck. Find a simplified algebraic expression that describes the total length of coping needed.
Answer by ikleyn(52781)   (Show Source): You can put this solution on YOUR website!
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A swimming pool manufacturer installs rectangular pools whose length is twice the width, plus 5 m.
The entire outer edge of the pool must be filled with coping, which is a cap used to join the wall
of the pool and the deck. Find a simplified algebraic expression that describes the total length of coping needed.
~~~~~~~~~~~~~~~ 

If w is the width, then the length is (2w+5).


They want an expression for the perimeter, which is


    P = 2w + 2*(2w+5) = 6w + 10.    ANSWER

Solved.



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