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Mathematics 12 Online
OpenStudy (anonymous):

A box contains tennis balls. The vertical height of a column of balls in the box (measured from top to bottom) is 871 mm. There are 13 balls in the column. What is the (diameter) thickness of one tennis ball? Same question: Am I doing this right? Am I using the correct units? 871 mm divided by 13 tennis balls = 67 mm diameter

OpenStudy (agent47):

you are correct my friend!

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