Предмет: Алгебра, автор: саша21100

отец в 2 раза старше сына сколько лет отцу и сколько сыну, если вмсете им 36 лет

Ответы

Автор ответа: abigeev
0
12 лет сыну
25 лет отцу


Пеппер: неправильно
Автор ответа: Аноним
0
Отец = x
Cын  = y

x=2y     y= \frac{1}{2} x
x+y=36
x+ \frac{1}{2} x=36
 \frac{3}{2} x=36
3x=72
x= \frac{72}{3}
x=24
y= \frac{1}{2} x= \frac{24}{2} =12
                      
                      отв: Отцу 24, Сыну 12

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