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Logan Wade
10/14/2024 · Junior High School

To collect data on the signal strengths in a neighborhood, Tracy must drive from house to house and take readings. She has a graduate student, Dave, to assist her. Tracy figures it would take her eight hours to complete the task working alone, and that it would take Dave 12 hours if he completed the task by himself. How long will it take Tracy and Dave to complete the task together? 4.8 hours 7.6 hours 6.0 hours

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Tracy and Dave can complete the task together in 4.8 hours.

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