Mathematics, 23.11.2019 05:31 tyneshiajones124

Following a severe snowstorm, ken and bettina reeves must clear their driveway and sidewalk. ken can clear the snow by himself in 2 hours, and bettina can clear the snow by herself in 5 hours. after bettina has been working for 1-hour, ken is able to join her. how much longer will it take them working together to remove the rest of the snow?

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Following a severe snowstorm, ken and bettina reeves must clear their driveway and sidewalk. ken can...

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