SOLUTION: The area of a rectangle is 64cm^2. Its length is 4 times the width. What is the lenght and width. I NEED TO SOLVE THIS BY FACTORING. ANY HELP WOULD BE AWESOME..THANK YOU TO YOU ALL

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: The area of a rectangle is 64cm^2. Its length is 4 times the width. What is the lenght and width. I NEED TO SOLVE THIS BY FACTORING. ANY HELP WOULD BE AWESOME..THANK YOU TO YOU ALL      Log On

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Question 191983: The area of a rectangle is 64cm^2. Its length is 4 times the width. What is the lenght and width. I NEED TO SOLVE THIS BY FACTORING. ANY HELP WOULD BE AWESOME..THANK YOU TO YOU ALL...
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The area of a rectangle is 64cm^2. Its length is 4 times the width. What is the lenght and width.
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Area = l x w (length times width, lenght is not a word)
A = 4w*w
64 = 4*w*w
w^2 = 16
w = 4
l = 16