Предмет: Математика, автор: Аноним

В классе 12 мальчиков,а девочек на 6 больше. Сколько процентов в класса составляют девочки и сколько процентов класса составляют мальчики?

Ответы

Автор ответа: sakusi

9

1) 12+6 = 18девочки2) 12+ 18 = 30 человек всего3) 12 х 100% :30 = 40% мальчиков4) 18 х 100 % : 30 = 60% девочек

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