Предмет: Математика, автор: Polinya35698

1)Настойка боярышника состоит из 1 части плодов боярышника и 9 частей спирта. Какова будет масса настойки, в которой боярышника на 416 г меньше чем спирта? 2) (( ВРЕМЯ И КАЛЕНДАРЬ)) Первое кругосветное путешествие, которое совершили русские моряки Крузенштерн и Лисянский, началось7 августа 1803 года. Моряки находились в плавании 3 года и 14 дней. Когда они вернулись на родину???? помогите пожалуйста

Ответы

Автор ответа: lenapanova
0
9 - 1 = 8 частей
416 : 8  = 52 г - 1 часть плоды боярышника.
52 * 9 = 468г - спирт.
468 + 52 = 520г - масса настойки.

Автор ответа: Polinya35698
0
а второе задание сможете сделать?
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