Предмет: Математика, автор: kiselevpetr1812

Скорость грузовика составила 6/7 скорости легковой автомашины. Найди скорость легковой автомашины, если скорость грузовика на 22 км/ч меньше скорости легковой автомашины?

Ответы

Автор ответа: lmdashe4ka
2

Ответ:

Скорость легковой машины Х, тогда скорость грузовика 5/7Х

Составляем уравнение:

Х - 5/7Х = 22;

2/7Х = 22;

Х = 77 км/ч,скорость л/а,

77-22=55км/ч скорость г/а.

Ответ: скорости легковой автомашины 77км/ч

Пошаговое объяснение:

мы в школе решали :)

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