Предмет: Математика, автор: YaMMiKatness

Помогите решить две задачи .
1) Первая
Две машинистки напечатали 800 страниц.
Первая работала 55ч, а вторая 45ч.Сколько страниц напечатала каждая машинистка,если в час они печатали одинаковое число страниц?
2) Вторая
Первая машинистка напечатала 440 страниц,
а вторая 360 страниц,при этом первая маши-
нистка работала на 10 ч больше,чем вторая.
Сколько часов печатала каждая машинистка,
если в час они печатали одинаковое число страниц?

Ответы

Автор ответа: anasteziyu
0
1
1)55+45=100 часов всего  2)800:100=8 страниц в час 3)55*8=440 стр первая машинистка 4)45*8=360 страниц вторая машинистка
2
1)(440-360):10=8 стр в час; 2) 440:8=55 часов первая машин, 3)360:8=45 час вторая машинистка,  
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