An automotive test consisted of driving a car the same distance three separate times, first at an average rate of 4 miles per hour, then 5 miles per hour, then 6 miles per hour. If the test took 111 hours to complete, how many miles was the car driven during the entire test?	Select the correct option.
A) 530
B) 520
C) 560
D) 500
E) 540
x is the segment to be traveled   x/4+x/5+x/6 =111   or 74x/120 =111   x =180 miles . total distance =3*180= 
<gadget id="calculator">3*180</gadget>
<output>540</output>
540 miles   540
<result>E</result>
An automotive test consisted of driving a car the same distance three separate times, first at an average rate of 4 miles per hour, then 5 miles per hour, then 6 miles per hour. If the test took 111 hours to complete, how many miles was the car driven during the entire test?