Hi,

x 10, 20, 30, 40, 50

y 15, 7.5, 5, 3.75, 3

 y = k/x  |Inverse variation

 15 = k/10  |Finding k, the constant of the variation

150 = k

 y = 150/x

 7.5 = 150/20

  5 = 150/30

 3.75 = 150/40

  3 = 150/50 

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