Предмет: Математика, автор: seldinmisha7

У бібліотеці 12% книг - словники.Скільки всього книг у бібліотеці,якщо словників 900 екземплярів

Ответы

Автор ответа: nikita790920

Ответ:

Всего книг в библиотеке 7500

Пошаговое объяснение:

12% - 900

100% - x

12x = 90000

x = 7500

Ответ. x = 7500

evadumanska: Я перепрошую але я не зрозуміла як вийшла відповідь 7500

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