Question

Add: 7 h 45 min 30 sec and 4 h 29 min 40 sec

Answer 1

answer is

12 h 15 min 10 sec

Answer 2

Answer:

H M S

7 45 30

+ 4 29 40

______________

12 15 10

_______________

Step-by-step explanation:

The answer is 12 hrs. 15 min. 10 sec.