flxntly flxntly

15-07-2016
Mathematics

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The width of a rectangle is 5 less than its length. The perimeter of the rectangle is 68. Find the length of the rectangle.

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jhonyy9 jhonyy9

15-07-2016

w= l-5
2(w+l)=68

2w+2l=68

2(l-5)+2l=68

2l-10+2l=68

4l = 78

l = 78/4

l = 39/2

l = 19,5

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