Mathematics, 09.12.2019 18:31 itscheesycheedar

Chloe and libby want to tie ryan to a bunch of approximately spherical helium balloons of diameter 0.3m. the volume of each balloon can be approximated using the formula 4r³. given that 1 litre of helium can lift 1g, and that ryan weighs 5 stone and 5lb, estimate how many balloons they need to make him float.

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Chloe and libby want to tie ryan to a bunch of approximately spherical helium balloons of diameter 0...