How Many Tennis Balls Will Fit Within the Interstitial Holes

question 89

Multiple Choice

How many tennis balls will fit within the interstitial holes between a truckload of basketballs perfectly placed in a closest-packed arrangement? Assume that the tennis balls have a radius that is 20% that of a basketball.

• A) equal number of tennis balls and basketballs
• B) twice as many tennis balls as basketballs
• C) three times as many tennis balls as basketballs
• D) four times as many tennis balls as basketballs
• E) five times as many tennis balls as basketballs

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