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Mathematics 22 Online
OpenStudy (anonymous):

The length of a rectangular pool is 15 less than three times its width. Its perimeter is 50 meters. Find the length of the pool.

OpenStudy (anonymous):

l = 3w-15 l+w=50 You can substitute l in the second equation for your answer.

OpenStudy (anonymous):

Thank you so much!

OpenStudy (asnaseer):

|dw:1340663971980:dw| @Abs.Zero has a small mistake - the perimeter is actually 2(l+w) so the equations you need to solve are: l = 3w - 15 2(l + w) = 50

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