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Calorie Expenditure Maureen Rachford wants to start exercising to bum at least 1500 extra calories per week, but she does not have much spare time for exercise. According to a website, she can hum an average of 3.5 calories per minute walking, 4 calories per minute cycling, and 8 calories per minute swimming. She would like her total time walking and cycling to be at least 3 times as long as she spends swimming, She would also like to walk at least 30 minutes per week. How much time should she spend on each activity not only to meet her goals but also to minimize her total exercise time per week? What is her minimum exercise time per week? Source: BrinnMac.co.uk.
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Finite Mathematics (11th Edition)
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