This video describes how to perform computations using positive and negative numbers, interpret the results, and determine the break-even point in a business situation. Dramatized segments and computer animations illustrate why bridges require expansion joints; how to track the rushing yardage of a high school football player; and how to adjust profit and debt to bring a start-up lawn-care business into the black. (20 minutes)

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Part of the Series : Mathemedia



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