Предмет: Математика, автор: бдиоосвшрп

Решите задачи плиз)))✨

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Автор ответа: дуремарик
0
1) 500/(60+65)=4 часа
2) 50/(60+65)=0.4ч=24 минуты
3) x+x-0.4x=1.6x где х цена 1 костюма
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