Question

C) Add the following:-
1) 3 hours 50 minutes + 4 hours 20 minute​

Answer 1

Answer:

1 hour — 60 minutes

so 3+4=7

so,

7 hour =7×60=420 min

their 50+20+420 = 500 min

490 ÷ 60= 8 hour and 10 minutes