A school starts at 9 am. 7 period studies of 40-40 minutes
it occurs. There is a short break of 5-5 minutes between two periods.
What time does school close?
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Answer:
5 hours 25 minutes
Step-by-step explanation:
step 1 multiply 9×40=280
step 2 then multiply 5×7=35
step 3 then add 280+35=315
step 4 then divide 315÷60=5.25
Answer is 5 hours 25 minutes
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