Можно составить выражениес переменным: Расстояние между двумя городами автобус проехал

Можно составить выражениес переменным:
Расстояние между двумя городами автобус проехал за 3 часа. За первый час автобус проехал 40% всего пути, а за второй час-40% осавшегося пути. Путь , пройденный в первый час на а км больше, чем путь пройденный автобусом за третий час. Сколько всего километров проехал автобус, если а=6.4
- Предмет:
  Математика
- Автор:
  gabriel1fcd
- 6 лет назад

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