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the speed of a gear wheel varies inversely as the number of teeth of the gear. if a gear wheel which has 48 teeth makes 3 revolutions per minute. how many revolutions per minute will a gear wheel with 96 teeth make?

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twice the teeth means half the revolutions

teeth * speed = k = 48 * 3 = 144

96 * s = 144 ... s = 144 / 98

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