Предмет: Алгебра, автор: narmindavudova12

Помогите пожалуйста с 7 вопросом как решить?

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Ответы

Автор ответа: Senpoliya

v - скорость
t - время
x - коэффициент изменения скорости
v * t = x * v * 4t
x = (v * t) : (4 * v * t)
x = 1/4
Ответ: скорость уменьшится в 4 раза

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