flight is supposed to start at 1025 hours and reach destination at 1320 hours. if it starts 15 minutes late and arrives 19 minutes late,how long does it take to reach its destination

3 answers

1025 + 15 = 1040
1320 + 19 = 1339

1339 - 1040 = 299 = 2 hours and 59 minutes
How 299 become 2 hour 59 minutes?
Please you are not showing answer