Question

add 1 min 30 sec and 45 sec

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Answer 1

Answer:

2 minutes 15 seconds or 135 seconds.

Step-by-step explanation:

1 min = 60 seconds

do total = 60+30+45 = 135 seconds or 135/60 = 2 minutes 15 seconds

Answer 2

Step-by-step explanation:

1 min 30 secs

45 secs

_____________

2mins 15 secs

_____________