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Mathematics, 26.02.2021 02:20 djnkyworld

The 5 teachers can write a test in 2 working days. Each teacher works at the ne tsame pace. Given that oeacher decides not to take part, how many days would it take for the paper to be written?

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The 5 teachers can write a test in 2 working days. Each teacher works at the ne tsame pace. Given th...
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