A boat travels for three hours with a current of 3 mph and then returns the same distance against the current in four hours. What is the boat's speed in calm water? How far did the boat travel one way?  Choose the correct choice from the following choices
A) .14 B) 2.14 C) 3.14 D) 5.14 E) 7.14
boat speed=1.5(approx)   one way dist=5.14   ANSWER:5.14
<result>D</result>
A boat travels for three hours with a current of 3 mph and then returns the same distance against the current in four hours. What is the boat's speed in calm water? How far did the boat travel one way?