Multiple Choice
A boat travels upstream and after one hour has gone 10 km.The boat next travels downstream and after one hour has gone 18 km.If the boat's speed relative to the water is constant,what is the speed of the current in the river?
A) 3 km/h
B) 4 km/h
C) 5 km/h
D) 6 km/h
E) 7 km/h
Correct Answer:
Verified
Correct Answer:
Verified
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