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erika28
If y varies inversely as x, and y = 10 when x = 7, find y for the x-value of 10. 3 2 6 7
when something is inversely related : y=k/x DONT FORGET THE CONSTANT k :D now lets solve for k (since its a constant, it ALWAYS STAYS THE SAME :D) 10=k/7, thus k=70 now lets make the second and final equation, y=70/10 thus, y=7