An office opens at8.30and closes at 5pm.with lunch interval of 45min.what is the ratio of lunch intervals to the total period in the office.
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Answer:
3; : 34
Step-by-step explanation:
total period= 3.30+5=8.30 hrs = 8×60+30
=510 min
lunch time= 45 min
ratio = 45 : 510 =3 : 34
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