Предмет: Математика, автор: Smeh1312

Масса витамина С, нужная человеку каждый день, равна 60 мг. Масса витамина С, содержащегося в 100 г черной смородины, относится к суточной нормы витамина С, как 4: 1. Какая масса витамина С содержится в 100 г черной смородины.

Ответы

Автор ответа: mmalinkat

x - масса витамина С в 100 г смородины
х : 60
4 : 1
х = 4 * 60 \ 1 = 240 мг содержится в 100 г смородины

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