On a bright Sunday morning three friends A, B and C decided to go on river for fishing and
boating. They started boating to a place at a distance of 30 km upstream and returned back44
km downstream to the starting place. They took 10 hours in all. The time taken by them to
ride 55 km downstream and 40 km upstream is 13 hours. (Assume the speed of the boat as x
km/hr and the speed of the river as y km/hr.) Based on the above situation, answer the
following questions:
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Answer:
total 95 km and consume 13hours ,95÷13ans7.3 km/hr
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