An express traveled at an average speed of 80 km/hr, stopping for 3 min after every 45 kn. How long did it take to reach its destination 480 km from the starting point?  Choose the correct choice from the following answers:
A) 5 hrs 21 min
B) 4 hrs 21 min
C) 6 hrs 41 min
D) 6 hrs 27 min
E) 4 hrs 34 min
D   6 hrs 27 min   Time taken to cover 480 km = 480/80= 
<gadget id="calculator">480/80</gadget>
<output>6</output>
6 hrs.   Number of stoppages= 480/45 - 1 = 9   Total time of stoppages = 3 * 9= 
<gadget id="calculator">3 * 9</gadget>
<output>27</output>
27 min   Hence, total time taken= 6 hrs 27 min.
<result>D</result>
An express traveled at an average speed of 80 km/hr, stopping for 3 min after every 45 kn. How long did it take to reach its destination 480 km from the starting point?