Mathematics, 16.04.2021 21:00 ctyrector

W varies directly as r cubed and inversely as a. If w=24 when r=4 and s=8, find r when w=81 and s=27.

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W varies directly as r cubed and inversely as a. If w=24 when r=4 and s=8, find r when w=81 and s=27...