Предмет: Математика, автор: nastia27996

в школе учатся 120 семиклассников. Спортивный кружок посещают 30% семиклассников, из них 25% девочек. 1) Сколько семиклассников посещают спортивный кружок? 2) Сколько из них девочек и сколько мальчиков?

Ответы

Автор ответа: olha37

Ответ:

Занимаеться 36 учеников;Из них 27 мальчики и 9 девочки

Пошаговое объяснение:

120:70%=36(уч) (если надо объяснение)-семикласников посещают спортивный кружок

36-25%=27(м.)(если надо объяснение)-мальчиков посвящают спортивные занятия

36-27=9(д.)

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