maths

If the weight of a spherical shell is 7/8th of what it would be if it were a solid shell, find the ratio of the inner and outer radii of the shell.

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asked by Anonymous
  1. You give weight data, but ask for distance information.

    What is the shell made of?

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    posted by PsyDAG
  2. 1:2

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    posted by Nani

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