Вопрос школьника по предмету Математика
за какое время пешеход прошел 2 1/2 км еслли его скорость была 15 км/ч
дайте ответ в часах а потом в минутах
Ответ учителя по предмету Математика
Ответ:
Пошаговое объяснение:
S=vt
t=S : v = 2 1/2 : 15 = 5/2 × 1/15 = 1 /6 час
1/6 час = 20 мин.
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