Respuesta :

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Given :-

  • y varies directly as x, and y=14 when x=4.

To Find :-

  • the value of y when x=9 .

Solution :-

According to Question ,

  • y = kx ( k is constant )

When y = 14 and x = 4 ,

  • 14 = k(4)
  • k = 14/4
  • k = 7/2

When x = 9 ,

  • y = 7/2*9
  • y = 63/2
  • y = 31.5

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