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Mathematics, 27.10.2020 17:10 manillasoccer

Stefan and Misha have a carwashing business. Stefan could wash the cars by himself in 6 hours and Misha could wash the
cars by himself in 5 hours.
Stefan starts washing the cars by himself, but he needs to go
to his football game after 2.5 hours. Misha continues the task.
How long did it take Misha to finish washing the cars?

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Answers: 3

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