Question

What is the sum of 1h20,2h40,3h05?

Answer 1

Answer:

7 hr 05 minute

Step-by-step explanation:

1hr = 60 min

1hr20 min = 80 min

2hr 40 min =160min

3hr 5 min = 185min

total time in minute = 425 minute

total time in hour = 7hour 05 minute

i.e. 425/60 7hr +5/60 hr

Answer 2

Answer:

7 hours 05 minutes

Step-by-step explanation:

hour     minutes  

   1              20

+  2             40

+  3               5

   6             65

60 minutes = 1 hour

65 minutes  = 1 hour 05 minutes

6 hour 65 minutes = 7 hours 05 minutes