As shown in the figure, the rectangular pattern with a width of 50cm is made up of 10 identical small rectangles. What are the length and width of each rectangle?
Suppose the length of each rectangle is xcm and the width is YCM. According to the meaning of the question, we get x + y = 502x = x + 4Y, and the solution is x = 40y = 10. A: the length is 40cm and the width is 10cm
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