The circumference of a rectangle is 30cm, and the length is 5cm longer than the width. Find the area of the rectangle. Set up the equation

Length = (30 ﹣ 2-5) ﹣ 2 + 5 = 5 = 5 = 10 cm;
Model = 10-5 = 5cm;
Area = 10 × 5 = 50 square centimeter;
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