math

Could you help me in solving the following problem?
If x varies inversely as the square of y and x=2 when y=1 find x when y=2

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asked by vidya
  1. When you double y, the value of x decreases by a factor of 4. That is due to the inverse square dependence.

    x must become 2/4 = 1/2 when y=2.

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    posted by drwls

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