A person travels equal distances with speeds of 4 km/hr, 5 km/hr and 6 km/hr and takes a total time of 47 minutes. The total distance is?  Choose the correct choice from the following answers
A) 2 km
B) 4 km
C) 7 km
D) 9 km
E) 5 km
Let the total distance be 3x km.   Then, x/4 + x/5 + x/6 = 47/60   37x/60 = 47/60 =&gt; x = 1.27   Total distance = 3 * 1.27= 
<gadget id="calculator">3 * 1.27</gadget>
<output>3.81</output>
3.81 km.   Answer:4 km
<result>B</result>
A person travels equal distances with speeds of 4 km/hr, 5 km/hr and 6 km/hr and takes a total time of 47 minutes. The total distance is?