Предмет: Математика, автор: АлФаВиТ11

Помогите!Пожалуйста!Не понимаю как решить!

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Автор ответа: romiillst

Чтобы решить эту задачу,узнаем скорость:
Мы имеем длину во времени 1 пути и 2 пути.
7-4=3 (3 часа разницы в пути)
81:3=27(Так как 81 км это разница между 1 и 2 путями,тоесть за 3 часа пройден 81 км)
Зная скорость,можем определить и сам путь.
27 * 4 = 108
27 * 7 = 189

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