If a person walks at 10 km/hr instead of 8 km/hr, he would have walked 14 km more. The actual distance traveled by him is? Pick:
A) 50  B) 40  C) 56  D) 16  E) 20

Rationale: "let the actual distance traveled be x km . then , x / 8 = ( x + 14 ) / 10 2 x - 112 = > x = 56 km . answer : c"
Answer: C