Предмет: Математика, автор: klutik

Мама старша від дочки у 4 разів разом їм 40 років скільки років дочці

Ответы

Автор ответа: leaver758

ответ

Нехай вік дочки дорівнює х років. Тоді вік мами дорівнює 4х років.

За умовою задачі х + 4х = 40

5х = 40

х = 40 / 5

х = 8

Отже, дочці 8 років.

Відповідь: 8 років

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