add 20 sec, 30sec and 18 sec
Answers
Answered by
0
Answer:
20sec + 30sec + 18sec
= 50sec + 18sec
= 68sec
= 1 min 8 sec ( required answer )
Step-by-step explanation:
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Answered by
1
Answer:
Step-by-step explanation:
20 sec+30 sec+ 18 sec
=(20+30+ 18)sec
=68 sec
[1 min=60 seconds]
=1 min 8 sec
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