18.7k views
5 votes
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?

User Shaohao
by
8.7k points

1 Answer

5 votes
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.
User Suly
by
7.9k points