Предмет: Математика, автор: anassob

из двух населённых пунктов расстояние между которыми 60 км одновременно навстречу друг другу вышли два пешехода скорость первого равна 6 км\ч а скорость второго составляет 2\3 скорости первого. через какое время после выхода они встретятся? на каком расстоянии друг от друга будут пешеходы через 2 часа после выхода?

ПОМОГИТЕ ПОЖАЛУЙСТА!!!!!!

Ответы

Автор ответа: triolana

286

1)6:3*2=4 км/час скорость второго

2)6+4=10 км/час скорость сближения

3)60:10=6 час через это время встретятся

4)10*2=20 км пройдут за 2 часа

5)60-20=40 км расстояние между ними через 2 часа

=============================================

Автор ответа: irina060898

127

1. 6:3*2=4 км/ч- скорость второго
2. 6+4=10 км/ч- скорость сближения
3. 60:10= 6 через это время встретятся
4. 10*2=20км- пройдут
5. 60-20=40км- расстояние будет между ними

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