Question

3. Find the sum.
(a) 30 minutes 15 seconds + 12 minutes 50 seconds.
(b) 4 hours 25 minutes + 7 hours 35 minutes.
(c) 10 hours 20 seconds + 16 hours 55 seconds.
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Answer 1

Answer:

(a) 43 minutes 5 seconds

(b) 12 hours

(c) 26 hours 1 minutes 16 second

Answer 2

Step-by-step explanation:

a) minutes. seconds

30 15

+ 12. 50

answer:42 minutes 65seconds

b) hours. minutes

4. 25

+ 7. 35

answer: 11 hours 60 minutes

c) day hours. minutes. seconds

10. - 20

+ 16 . - 55

answer: 1day 2 hours 1 minute 15 second