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Ответ дан
Regent1828

Скорость сближения бегунов:

              v = v₁ + v₂ (м/мин)

Время до встречи бегунов:

              t = S/v = S/(v₁+v₂) (мин)

Ответ: бегуны встретятся через время t = S/(v₁+v₂)

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