If a person walks at 15 km/hr instead of 5 km/hr, he would have walked 20 km more. The actual distance traveled by him is? Choose the correct option
A) 50 km  B) 76 km  C) 18 km  D) 10 km  E) 97 km
Let the actual distance traveled be x km. Then,   x/5 = (x + 20)/15   10x - 100 =&gt;x = 10 km.   Answer: 10 km
<result>D</result>
If a person walks at 15 km/hr instead of 5 km/hr, he would have walked 20 km more. The actual distance traveled by him is?