SOLUTION: The length of a rectangle is 3 more than its width. Set up an equation for the area. I'm suppose to write an equation and define the variables.

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: The length of a rectangle is 3 more than its width. Set up an equation for the area. I'm suppose to write an equation and define the variables.       Log On


   

Question 669250: The length of a rectangle is 3 more than its width. Set up an equation for the area. I'm suppose to write an equation and define the variables.
Answer by vleith(2983) About Me  (Show Source):
You can put this solution on YOUR website!
Let w be the width and l be the length.
Then l=w%2B3
Area of a rectangle is length * width.
Area+=+l+%2A+w
Area+=+%28w%2B3%29+%2A+w
Area+=+w%5E2+%2B+3w