Mathematics, 12.04.2021 01:00 alexusnicole817

One worker does a job in 12 days, another does the same job in 15 days and a third in 20 days. What part of the job will be comleted if all three work together for four days?

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One worker does a job in 12 days, another does the same job in 15 days and a third in 20 days. What part of the job will be comleted if all three work together for four days?​

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One worker does a job in 12 days, another does the same job in 15 days and a third in 20 days. What part of the job will be comleted if all three work together for four days?