A motorboat maintained a constant speed of 13 miles per hour relative to the water
A motorboat maintained a constant speed of 13 miles per hour relative to the water in going 12 mesuram and the returning the total time for the trio was 6.5 hours information to find the speed of the current.
The speed of the current is _______ miles per hour,
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A motorboat maintained a constant speed of 13 miles per hour relative to the water
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