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Mathematics 21 Online
OpenStudy (anonymous):

Assume that y varies inversely with x. If y = 7 when x = -3, find y when x = 7. A. y = -7/3 B. y = -3 C. y = -21

OpenStudy (callisto):

y varies inversely with x => x1y1 = x2y2 (-3)(7) = (7)y y = (-3)(7) /7 = Can you work it out yourself?

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