marmarmeiko marmarmeiko

12-09-2016
Mathematics

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The width of a rectangle is 8cm less than it's length. The perimeter of the rectangle is 52 Cm.

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jessica2022274 jessica2022274

13-09-2016

52=2w+2l
52=2(l-8)+2l
52=2l-16+2l
52=4l-16
36=4l
l=9

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