футбольная команда состоит из 4 игроков которым по 19 лет, 3 игроков которым по 20 лет, и из 4 - №24749259

футбольная команда состоит из 4 игроков которым по 19 лет, 3 игроков которым по 20 лет, и из 4 игроков которым 21 год. найдите средний возраст команды.
- Предмет:
  Математика
- Автор:
  boscocastillo
- 5 лет назад

Ответы 1

4+3+4=11 игроков всего19*4+20*3+21*4=220 лет - суммарный возраст команды220:11=20 лет - средний возраст команды
- Автор:
  scoutug9p
- 5 лет назад
- 0
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