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Автор - keieiddi

помогите с математикой ​

Ответ

Проверено экспертом

Автор - iknowthatyoufeelbro

Ответ:

0.03=3%

Пошаговое объяснение:

Нужно массу соли разделить на массу морской воды.

15 г / 500 г = 3 / 100 = 0.03 = 0.03 * 100% = 3%

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