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30-07-2017
Mathematics

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A junior basketball has a diameter of approximately 7 in., and a regulation basketball has a diameter of approximately 9.5 in. about how many times as great is the volume of the regulation basketball as the volume of the junior basketball?

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Аноним Аноним

30-07-2017

scale factor = 9.5 / 7
the ratio of the volumes will be 9.5^3 / 7^3

= 2.5 to nearest thousandth

So the volume the regulation ball is 2.5 times the volume of the junior one.

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