Tennis balls are packed into a square box 12 in. on one side. The tennis balls can be touching, but they can’t be compressed.
The remaining space is filled with packing beads.
How many tennis balls can be packed into the box?
What is the volume occupied by the packing beads?
What percentage of the volume of the box is filled with beads?

Question

Tennis balls are packed into a square box 12 in. on one side. The tennis balls can be touching, but they can’t be compressed.
The remaining space is filled with packing beads. 
How many tennis balls can be packed into the box? 
What is the volume occupied by the packing beads? 
What percentage of the volume of the box is filled with beads?

zepdrix · Answer

Hmm do they tell us the size of each tennis ball?
Or are you supposed to measure that yourself or something? :o

anonymous · Answer

yes  tennis balls diameter = 2.5996 in

zepdrix · Answer

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zepdrix · Answer

We could try to get fancy.. but I think the best way to fill up the space is going to be by just stacking them on top of one another.

So how many balls can we put next to each other along the bottom?
Divide 12 by 2.5996, what do you get?