Предмет: Математика, автор: wwwalenkaru91

Даю 30 балов. Помогите!

Приложения:

Ответы

Автор ответа: Stasyx

1

x - кількість учнів, які були на змаганнях.

x = 45 × 60/100 = 27

Автор ответа: iramazurk

0

Ответ:

27 пятиклассников

Пошаговое объяснение:

45% = 45 : 100 = 0,45

0,45 * 60 = 27 (пятиклассников) - принимало участие

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