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March 24, 2017

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Alexander wants to know exactly how many bars to pack in his backpack for the journey. To provide a margin of safety, he assumes that he will need as much energy for the return trip as for the uphill climb. How many bars should Alexander pack?" he weighs 171lbs there is a bar total of 100g

  • chemistry - ,

    You need to clarify your question. It makes no sense as it is.

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