When it is 1: 00
a. m. in toronto, it is 3: 00
a. m. in rio de janiero, and when it is 10: 00
a. m. in rio de janiero, it is 11: 00 p. m. in melbourne. you leave toronto to fly to rio de janiero, but you accidentally left your watch on melbourne time. your watch says that you leave toronto at 9: 30
a. m. on saturday. when you arrive in rio de janiero, the local time is 3: 15
a. m. on saturday. how long was your flight?
a. 8 hours, 45 minutes
b. 6 hours, 45 minutes
c. 4 hours, 45 minutes
d. 2 hours, 45 minutes