On the sheet, it's not even asking you for the dimensions. It's just asking you to set up the <em>equation that you would use</em> to find the dimensions. That's a great way to do it, because nobody actually needs the answers, the whole thing is only meant to help you learn HOW to find them. ========================================== Call the width of the window 'W' .
We know that the length is 5 feet more than the width, so the length is (W + 5).