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Approximately how many times as great is the volume of the grapefruit as the volume of the lime?

AAbout 10 times as great.
BAbout 4 times as great.
CAbout 28 times as great.
DAbout 8 times as great.

Verified Answer :

About four times as great

nobillionaireNobley

Volume of a hemisphere = 2/3πr^3
Volume of the grapefruit = 2/3π(5)^3 = 2/3π(125) = 250/3π
Volume of the lime = 2/3π(3)^3 = 2/3π(27) = 18π

Volume of grapefruit is 250/3π / 18π = 4.6 = about 4 times as great as the volume of the lime.

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