Предмет: Алгебра, автор: SuperDenchik

Составьте два разных уравнения по условию задачи:
"На путь от деревни до города вниз по течению реки моторная лодка затрачивает 2 часа, а на обратный путь - 3 часа. Каково расстояние от деревни до города, если скорость течения реки равна 3 км/ч?"

Ответы

Автор ответа: Flash3146
0
V-x
(x+3)×2=(x-3)×3
2x+6=3x-9
2x-3x=-9-6
-x=-15:(-1)
x=15(км/ч)-V лодки
s-x
(15-3)×3=x
45-9=x
-x=-36:(-1)
x=36
Автор ответа: SuperDenchik
0
А второе уравнение?
Автор ответа: SuperDenchik
0
Найди расстояние
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