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Mathematics
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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?
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How big are the tennis balls
2.5cm
Is that radius or diameter?
the diameter
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