Предмет: Математика, автор: lola421

ПОМОГИТЕ СРОЧНО ПОЖАЛУЙСТА! Даринка читает 408-стр. книгу. Первые 12 страниц, прочитала за 15 минут. За сколько минут бы она прочитала целую книгу. Сколько это часов и минут?​

Ответы

Автор ответа: mixa0987
5
60*15=900 - перевожу в секунды

900/12=75 узнаю сколько секунд на страницу

75*408=30600 сколько секунд на 408 страниц

30600/60=510 сколько минут на 408 страниц
510 минут-8 часов 30 минут сколько часов на 408 страниц

Надеюсь помог)
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люди только тут надо прочитать текст ответить на вопросы только не ответить да нет а ответить если правильно ответить правильно если неправильно то переделать !!​
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