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Suppose y varies inversely as x, and y = 16 when x = 1/2. Find y when x = 17.

1 Answer

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Finding the proportionality constant :

  • y = k/x
  • 16 = k/(1/2)
  • k = 8

Finding y when x = 17 :

  • y = 8/(17)
  • y = 8/17

The value of y is 8/17 when x = 17.

User Craigb
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