1) Составить список покупок.
2)Зайти в нужный отдел .
3)Выбрать по списку.
4)Оплатить покупки.
2/3часа=40мин
1/6часа=10мин
3×40=120мин=2часа длится 3урока
2×10=20мин-длятся 2перемены
2ч20мин-длятся 3урока и 2 перемены
630:6=105 (д)- всего деталий за час вместе.
105:15=7 (д)
Ответ: 7 деталий за час делает каждый рабочий
30000 × ((5544 – 3960) / 5544) = 8571,428571
5544 - 3960 = 1584
1584 / 5544 = 0,28571428571
30000 * 0,28571428571=8571,42571
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