A motorboat takes x hours to travel 900 km in downstream and it takes y hours to travel the same distance in upstream. If the speed of the stream is 2 km per hour and the speed of the motorboat in still water is 8 km more than the speed of the stream, then find the sum of x and y?

A motorboat takes x hours to travel 900 km in downstream and it takes

1.	A motorboat takes x hours to travel 900 km in downstream and it takes y hours to travel the same distance in upstream. If the speed of the stream is 2 km per hour and the speed of the motorboat in still water is 8 km more than the speed of the stream, then find the sum of x and y?
A.	175.5 hours
B.	175 hours
C.	192.5 hours
D.	187.5 hours
E.	None of these
Answer» E. None of these

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A motorboat takes x hours to travel 900 km in downstream and it takes y hours to travel the same distance in upstream. If the speed of the stream is 2 km per hour and the speed of the motorboat in still water is 8 km more than the speed of the stream, then find the sum of x and y?

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