Дочь на 4 года младше сына и в 4 раза моложе мамы, а сын в 4 раза моложе отца . Сколько лет каждому,

Дочь на 4 года младше сына и в 4 раза моложе мамы, а сын в 4 раза моложе отца . Сколько лет каждому, если им всем вместе 100 лет.
- Предмет:
  Математика
- Автор:
  edgargt4f
- 6 лет назад

Ответы 4

Кстати, 16 я нашла так: (х+4)*4=4х+16 папе
- Автор:
  angelrobinson
- 6 лет назад
- 0
спасибо
- Автор:
  miguel942
- 6 лет назад
- 0
Не за что ❤️
- Автор:
  fitzgerald
- 6 лет назад
- 0
Дочь X летСыну (х+4)Маме 4хПапе (х+4)•4100=х+х+4х+4х+16100=10х+2010х=80Х=8 ( лет ) дочери 8+4=12 ( лет) сыну 8•4=32(г) маме 12•4=48 ( лет ) папе
- Автор:
  sonny1e6y
- 6 лет назад
- 0
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Дочь на 4 года младше сына и в 4 раза моложе мамы, а сын в 4 раза моложе отца . Сколько лет каждому, если им всем вместе 100 лет.

Ответы 4

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