If a person walks at 20 km/hr instead of 10 km/hr, he would have walked 40 km more. The actual distance traveled by him is?
Select:
A) 40 km
B) 76 km
C) 18 km
D) 16 km
E) 97 km
Let the actual distance traveled be x km. Then,   x/10 = (x + 40)/20   10x - 400 =&gt;x = 40 km.   40 kmnswer: 40 km
<result>A</result>
If a person walks at 20 km/hr instead of 10 km/hr, he would have walked 40 km more. The actual distance traveled by him is?