A boat on a river travels 50 miles downstream in only 5 hours. It takes the same boat 9 hours to travel 18 miles upstream. What are the speed of the boat and the speed of the current?
A) Speed of boat: 4 miles per hour, speed of current: 6 miles per hour
B) Speed of boat: 9 miles per hour, speed of current: 5 miles per hour
C) Speed of boat: 6 miles per hour, speed of current: 4 miles per hour
D) Speed of boat: 5 miles per hour, speed of current: 5 miles per hour
E) Speed of boat: 8 miles per hour, speed of current: 5 miles per hour
Correct Answer:
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