in a school the first period starts at 9.00 am and the school ends at 4.00 pm which includes 10 minute class cleaning time. there is a morning and evening break for 10 minutes each and a 40 minuite lunch break. how long will each class period be if you have to plan for 7 periods a day. plz solve.. write ans - 50 mnt
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24.2857142875 is time for one period.
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