Mathematics, 06.12.2021 22:10 gracebuffum

Working together, Shawn and Hector can install a tile floor in 6 hours. It would take Shawn 9 hours to do the job alone. What is the value of r, Hectora's rate of work in part per hour?

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Working together, Shawn and Hector can install a tile floor in 6 hours. It would take Shawn 9 hours...

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