стоимость экскурсии составляет 200р. для взросых и 100р. для детей.Для групп более10

стоимость экскурсии составляет 200р. для взросых и 100р. для детей.Для групп более10 человек предоставляется скидка 10%.Сколько рублей заплатит за экскурсию группа,состоящая из 3 взрослых и 8 детей.

заранее спасибо ))
- Предмет:
  Геометрия
- Автор:
  ashesbaker
- 6 лет назад

Ответы 4

потом 90 *8+540=1240
- Автор:
  clarkrgjm
- 6 лет назад
- 0
1260*
- Автор:
  gummi bear
- 6 лет назад
- 0
200*3+100*8=600+800=1400 без скидки. 1400-1400*0,1=1400-140=1260
- Автор:
  jude20
- 6 лет назад
- 0
тут идет отношение 200/100*10=20 (200-20)*3=540 это взрослые заплатят
- Автор:
  josephineray
- 6 лет назад
- 0
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