Mathematics
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?

answer
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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