SOLUTION: The width of a rectangle is 10 inches shorter than its length. Find the width of the rectangle if the area is 119 square inches.

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Question 301910: The width of a rectangle is 10 inches shorter than its length. Find the width of the rectangle if the area is 119 square inches.

Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let th length be x
the width will be x-10
Area = L * W
x(x-10)=119
x^2-10x-119=0
x^2-17x+7x-119=0
x(x-17)+7(x-17)=0
(x+7)(x-17)=0
X=-7 Or 17
length = 17 inches
width = 7