Предмет: Математика, автор: baibekdimash2512

Отец старше сына в 3 7/10 или на 27 лет сколько лет отцу?

Ответы

Автор ответа: sofiyavictoria

Ответ:

Пошаговое объяснение:

Пусть сыну х лет, тогда отцу х*3 7/10=х*3,7=3,7х лет. Составим уравнение

3,7х-х=27

2,7х=27

х=27:2,7

х=10 лет сыну 10+27=37 лет отцу

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