Вопрос школьника по предмету Математика
Расстояние между пунктами А и Б составляет 206,78 км. Из пункта А в пункт Б выехала легковая автомашина со скоростью 65,8 км/ч, а через час из пункта Б в пункт А выехала грузовая автомашина, скорость которой на 9,11 км/ч меньше скорости легковой машины. Какое расстояние будет между автомобилями через 1 час, после выезда грузовой автомашины?
Ответ учителя по предмету Математика
65,8-9,11=56,69 км/ч скорость грузовой
65,8*2+56,69=188,29 км прошли обе машины
206,78-188,29=18,49 км между ними через 1 час
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