Предмет: Математика, автор: vladvol1919

Туристам осталось пройти 12 км , когда они прошли 2/3 пути . Найди весь путь туристов

Ответы

Автор ответа: Pingvinus

x - весь путь
х = (2/3)х + 12
х - (2/3)х = 12
(1/3)х = 12
х = 12 ÷ (1/3)
х = 12 × 3/1 = 12×3 = 36 км весь путь

Автор ответа: Ученик0005205

12-это 2/3
12:2=6
6*3=18км- весь путь.

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