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Mathematics, 30.07.2019 19:30 xem74

Alice burned 320 calories at the gym. she burned 6 calories per minute on the treadmill and 10 calories per minute on the elliptical. alice exercised for 45 minutes in all. how many minutes did she spend on the treadmill?

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Alice burned 320 calories at the gym. she burned 6 calories per minute on the treadmill and 10 calor...
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