A factory opens at 10am and closes 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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Solution
Total factory hours= 7hr= 420 min Total working hours= 420-45= 375 min Lunch break= 45min
a)Lunch break to the total working hours: 45/375 = 9:75 (b)Lunch break to the total factory hours: 45/420= 9:84