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Mathematics, 23.05.2021 18:40, Dweath50
Two plumbers received a job. At first, one of the plumbers worked alone for 1 hour, and then they worked together for the next 4 hours. After this 40% of the job was complete. How long would it take each plumber to do the whole job by himself if it is known that the first plumber would take 5 more hours to finish the job than the second plumber?
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Answers: 3
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Two plumbers received a job. At first, one of the plumbers worked alone for 1 hour, and then they wo...
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