The length of a rectangle is 5 inches more than the width. The perimeter is 46 inches. What are the length and the width of the rectangle?

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Answer 1 · 2018-06-01T21:57:25

#(l, w) = (14, 9)#

The perimeter is #p = 2l+2w#.

The first sentence tells us that #l = w + 5#, hence
#p = 2(w+5) + 2w = 4w + 10 = 46 implies w = 9 #
Therefore, since #l=w+5#, #l = 14#.