A factory opens at 10 am and closed at 5 pm .There is a lunch time of 45 minutes only .Find out the ratio of (a) Lunch break to the total working hours . (b) Lunch break to the total factory hours.
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total working time = 7 hours = 7×60 min = 420 mins
ratio of lunch time to the total working time = 45/420
=9:84
ratio of lunch time to the total working time = 45/420
=9:84
Ravinder43:
answer is 3:25
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