In a 200 meters race A beats B by 56 m or 7 seconds. A's time over the course is:	Select the correct option.
A) 22 seconds	B) 12 seconds	C) 10 seconds	D) 18 seconds	E) 28 seconds

Rationale: "b runs 56 m in 7 sec . = > b runs 200 m in 7 / 56 * 200 = 25 seconds since a beats b by 7 seconds , a runs 200 m in ( 25 - 7 ) = 18 seconds hence , a ' s time over the course = 18 seconds answer : d"
Answer: D