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The perimeter of a bookmark is 20 centimeters. The area is 16 square centimeters. What are the dimensions of the bookmark?

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  1. 2 w + 2 L= 20 or w + L = 10
    w L = 16
    so L = 16/w
    so
    w + 16/w =10
    w^2 - 10 w + 16 = 0
    (w-8)(w-2)=0
    w= 8 or 2
    so L = 2 or 8 :)

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