Предмет: Математика, автор: решение13

магазин за первый час рабаты продал шёлка на 540 000 р., а за второй на 360000 р. сколько метров шёлка было продана завторой час если за оба часа было продано 10 м этого шёлка

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Автор ответа: weby1981

540000+360000=900000 на эту сумму было продано
900000/10=90000 столько стоит метр шелка
360000/90000=4 м было продано за второй час

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