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Mathematics, 23.09.2019 23:30 jebjeb6124

Your daily workout plan involves a total of 40 minutes of running and swimming. you burn 20 calories per minute running and 10 calories per minute swimming. let r be the number of minutes you run. how many calories will you burn in your 40 minute workout if you run for 20 minutes.

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Your daily workout plan involves a total of 40 minutes of running and swimming. you burn 20 calories...
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