An athelete completed 12 Km race in 1hour 15 minutes.Express the time into minute and second?In my book answer is 69 minutes and 4140seconds.Is it right or not?
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Step-by-step explanation:
1 hour 15 minutes
1hour=60minutes
therefore 1 hour 15 minutes=60+15
= 75 minutes
or in seconds =75*60= 4500 seconds
the answer in your book is incorrect friend
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