Answer:
greg, 4 seconds
Explanation:
find how long it takes each person to run 2km first.
distance/speed:
- pepper: 2/3 *60(seconds)=40 seconds
- Greg: 2/5 *60= 24 seconds
40-12=28 seconds, pepper will take 28 seconds to finish the race from the time greg starts. greg will win by 4 seconds