An office starts at 10 am and closes at 5 pm with lunch break of 45 min in between . find ratio of (a) lunch break to the total time spend in office(b) lunch break to actual time working hours
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Given time 10 am to 5 pm
Total time = 7 hours
Time for break = 45 mins = 45/60 hours = 3/4 hours
Total working hours = 7 - 3/4 = (28 - 3) / 4 = 25/4
Ratio between break to working hours is,
3/4 = 25/4
3:25 is the required ratio between break and working hours.
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