SOLUTION: help ): can you explain this step by step? thank you. A rectangular piece of cardboard has a length that is 16 inches more than the width. The area of the cardboard is 297 sq.i

Algebra ->  Quadratic Equations and Parabolas  -> Quadratic Equation Customizable Word Problems -> SOLUTION: help ): can you explain this step by step? thank you. A rectangular piece of cardboard has a length that is 16 inches more than the width. The area of the cardboard is 297 sq.i      Log On


   

Question 761567: help ): can you explain this step by step? thank you.
A rectangular piece of cardboard has a length that is 16 inches more than the width. The area of the cardboard is 297 sq.in. Find the measures of its width and length.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
Let w = width and let y = length.
y=w%2B16.

Area is w%2Ay and is given:
w%2Ay=297 sq. in.
Substitute your found formula for y from the description given.
w%2A%28w%2B16%29=297 and solve for w.