SOLUTION: a rectangle with an area of 80cm^2 has a width that is three more than one half its length. What is the width of the rectangle?

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Question 870797: a rectangle with an area of 80cm^2 has a width that is three more than one half its length. What is the width of the rectangle?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
w for width, L for length.
Your description in symbols is wL=80 and w=3%2B%281%2F2%29L. Use these to form an equation in just ONE variable, and solve for that variable; this will be a quadratic equation. Use the found value of this variable to compute the other variable.