In a rectangle, the length is four less than double the width. If the area is sixteen, what is the width?

Question

Thanks

Answer 1

L=2W-4

16=LW = (2W-4)W = 2W^2 -4W

W^2 -2W -8 = 0

(W-4)(W+2) = 0

W = 4 = width

L= 4 = length