Aiden flew from Seattle to San Diego with a stop in San Francisco to switch planes.
The flight from Seattle to San Francisco was 2 hours long. Aiden was in San Francisco
for 3 hours and 10 minutes, and his flight from San Francisco to San Diego was 2
hours and 10 minutes long. Aiden landed in San Diego at 2:50 P.M. What time did
Aiden's first flight leave Seattle?