In a 1 km race, A beats B by 28 meters in 7sec. Find A's time over the course?
A. 3min,4sec
B. 5min,4sec
C. 2min,3sec
D. 4min,3sec
Answer:D
In a 1 km race, A beats B by 28 meters in 7sec. Find A's time over the course?
A. 3min,4sec B. 5min,4sec C. 2min,3sec D. 4min,3sec