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Ответ

Ответ дан
IrkaShevko

Ответ:

4,8 ч

Пошаговое объяснение:

пусть за х часов красят 5 рабочих, составим пропорцию с учетом обратной пропорциональности величин:

3 - 1/8

5 - 1/x

3/x = 5/8

x = 3*8/5 = 24/5 = 4,8 (ч)

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