Предмет: Математика, автор: danis22231

помогите пожалуйста
Из Всеобщей арифметики И. Ньютона. Писарь 15 листов может написать за 8 дней. Сколько понадобиться писарей, чтобы написать 405 листов за 9 дней

Ответы

Автор ответа: пимочка

0

1) 405:9=45(листов)-надо писать в день
2) 15:8=1,875 - листа в день пишет один писарь
3) 45:1,875=24 - писаря надо

Автор ответа: Германика1000

0

Скорость одного писаря 15/8 листа за день
теперь составим уравнение
15х/8=405/9
где х - количество писков необходимое для выполнения условия задачи
отсюда про порцией х=24
ответ: 24 писаря

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