Carol Wynne bought a silver tray that originally cost $133 and was advertised at 55% off. What was the sale price of the tray
2 answers:
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Assuming you mean the area is 28 yd², equations for the length (y) and width (x) can be written:
These equations can be solved by a variety of means. One I like is graphing. A graphing calculator tells you the solution is (width, length) = (3.5 yd, 8 yd).
