If a person walks at 16 km/hr instead of 8 km/hr, he would have walked 20 km more. The distance traveled by him if he walked at 16 km/hr?  Choices
A) 50 km
B) 58 km
C) 60 km
D) 70 km
E) 40 km
Let the actual distance traveled be x km. Then,   x/8 = (x + 20)/16   2x - x = 20 =&gt;x = 20 km.   The required distance is = (20+20)= 
<gadget id="calculator">(20+20)</gadget>
<output>40</output>
40 km   Answer :40 km
<result>E</result>
If a person walks at 16 km/hr instead of 8 km/hr, he would have walked 20 km more. The distance traveled by him if he walked at 16 km/hr?