Concept explainers
Competition Two friends enjoy competing with each other to see who has the best time in running a mile. Initially (before they ever raced each other), the first friend runs a mile in 7 minutes, and for each race that they run, his time decreases by 13 seconds. Initially, the second friend runs a mile in 7 minutes and 20 seconds, and for each race that they run, his time decreases by 16 seconds. Which will be the first race in which the second friend beats the first?
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Chapter 2 Solutions
Functions and Change: A Modeling Approach to College Algebra (MindTap Course List)
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Linear Algebra and Its Applications (5th Edition)
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