17. Two cars leave Delhi at the same time, travelling in opposite directions. If the average speed of one car
is 5 km/hr more than that of the other and they are 425 km apart at the end of 5 hrs, what is the average
speed of each?
18. Two automobiles start out at the same time from cities 595 km apart. If the speed of one is
8/9of the speed of the other and if they meet in 7 hours, what is the speed of each?
19. A motorboat goes downstream in a river and covers the distance between two coastal towns in five hours.
It covers this distance upstream in six hours. If the speed of the stream is 2 km/h, find the speed of the
boat in still water.
pls guys i need the answers urgently.
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