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Mathematics, 16.12.2021 02:10 lionessny6301
In her last workout, Marsha burned 9 calories per minute on the treadmill and 7 calories per minute on
the elliptical. If she spent a total of 57 minutes working out and burned a total of 463 calories, how
many minutes did she spend on the elliptical?
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Answers: 3
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In her last workout, Marsha burned 9 calories per minute on the treadmill and 7 calories per minute...
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