Given that the diameter of a ping pong ball is 40 mm and a tennis ball has a diameter of 6.8 cm, what is the ratio of the ping pong ball to the tennis ball.

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asked Apr 5, 2021 18.3k views

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Geekchic · Answer 1 · 2021-04-09T11:55:24+0000

First write them both with the same units, then compare.

1: convert both into mm
>> Ping pong = 40mm,
>> Tennis = 6.8*10=68mm

2. Compare
>> (Ping pong)/(tennis) = 40/68 = 10/17

Given that the diameter of a ping pong ball is 40 mm and a tennis ball has a diameter of 6.8 cm, what is the ratio of the ping pong ball to the tennis ball.

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