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Mathematics, 21.07.2019 13:00 jollyjinkings

Nancy rowed across the lake with her friend kelly at a rate of 5 mph. kelly then rowed back at a rate of 4 mph. if the lake is 6 miles across, how long did it take them to complete their trip?

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Nancy rowed across the lake with her friend kelly at a rate of 5 mph. kelly then rowed back at a rat...
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