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A cat heart beats about 130 beats per minute .A kitten heartbeat can be as fast as 240 beats per minute.How many times does a kittens heart beat in one half hour?

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21,600 minutes because 1 hour equals 60 mins. while half in an hour is 30 mins. and 60 + 30 = 90 so you multiply 240 by 90 getting 21,600
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