Предмет: Математика, автор: Arxipkina1

из двух городов расстояние между которыми равно 510 км одновременно навстречу друг друг другу выехали мотоциклист и автобус скорость мотоциклиста составляет 8/9 скорости автобуса через сколько времени после выезда они встретятся на каком расстоянии друг от друга они будут через 3 ч после выезда

Ответы

Автор ответа: triolana

54:9*8=48 км/час скорость мотоциклиста
54+48=102 км/час скорость сближения
510:102=5 часов через это время встретятся
102*3=306 км проедут за 3 часа
510-306=204 км будет между ними через 3 часа
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Автор ответа: Arxipkina1

спасибо

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