if x varies inversely as y^2 and x=3 when y=6 find x when y=3

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x varies inversely as y^2

x=k/y^2 k is constant of proportionality.

x=3 when y=6

3=k/36

k=108

x=108/y^2

when y=3

x=108/9

x=12

Thank you so much !

one more if you don't mind !

The weight of a liquid varies directly as its volume V. If the weight of the liquid is in a cubical container 4cm on a side is 128g, find the weight of the liquid in a cubical container 3cm on a side.

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