Предмет: Математика, автор: Fayrolr

ЦЕХ ПО ПРОИЗВОДСТВУ ПОСУДЫ ИЗ СТАЛИ ВЫПУСКАЕТ ВЕДРА ЕМКОСТЬЮ 15 И 20 ЛИТРОВ. ПРИЧЕМ ЕЖЕДНЕВНО 20-ЛИТРОВЫХ ВЕДЕР ВЫПУСКАЕТСЯ В ТРИ РАЗА БОЛЬШЕ, ЧЕМ 15-ЛИТРОВЫХ, А ОБЩИЙ ОБЪЕМ ВСЕХ ВЕДЕР СОСТАВЛЯЕТ 675 ЛИТРОВ. СКОЛЬКО ВЕДЕР КАЖДОГО ВИДА ВЫПУСКАЕТСЯ ЕЖЕДНЕВНО?

Ответы

Автор ответа: Стёпчик2003
0
х=15
3х=20
15х+20х3х=675
15х+60х=675
75х=675
х=675:75
х=9
3х9-27
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