E-GMAT
Seb's watch gains 5 seconds in every 3 hours, whereas Lewis' watch losses 10 seconds in every 2 hours. If both watches are set to the correct time at 1 a.m. Sunday, then at what earliest time they will have a difference of 9 minutes among them?
A. 7 a.m. Wednesday
B. 10 a.m. Wednesday
C. 7 p.m. Wednesday
D. 10 p.m. Wednesday
E. 7 a.m. Thursday
OA B