Question

A baby fell asleep at 7:55 PM and slept for 6 3/4 hours. When did the baby wake?

2:20 AM
2:30 AM
2:40 AM
3:10 AM

Answer 1

6 3/4 hour's = 6 Hour's + 3/4 Hour's

= 6 hours + 3/4 × 60 minutes

= 6 Hour's + 45 minutes

=>7:55 PM + 6 Hour's 45 minutes

=>1 AM + 100 Minutes

=> 1AM + 1 hours+ 40 minutes

=> 2:40 AM

Answer 2

2:40
7:55 + 6 = 1:55
1:55 + 45 minutes
2:40 am