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Mathematics 20 Online
OpenStudy (anonymous):

Use the Law of Levers to solve the problem, x1y122. The number of chairs in a row varies inversely as the distance between them. When they are 10 centimeters apart, 27 chairs fit in a row. If 30 chairs are needed in a row, how many centimeters apart should they be placed? 9 cm 12 cm 15 cm 8 cm

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