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25-05-2020
Mathematics

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Your friend can clap his hands 28 times in 12 seconds. How many times can your friend clap his hands in 0.5 minute?

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25-05-2020

60 seconds in a minute

12 goes into 60, 5 times,
So 5 * 28 = 140
140 claps per minute

0.5 minute is 30 seconds, half a minute so divide by 2,
140/2 = 70

70 times every 0.5 minutes

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