Your friend can clap his hands 28 times in 12 seconds. How many times can your friend clap his hands in 0.5 minutes?
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Answer:
70 claps
Step-by-step explanation:
28 claps in 12 seconds
28/12 = 2.33 clap in 1 second
By the way, 0.5min = 30 seconds
Hence, 2.33 * 30 = 70
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