Third of an hour

How many minutes is a third of an hour? Do you know how to find a third of the lesson hour (45 minutes)?

Final Answer:

a =  20 min
b =  15 min

Step-by-step explanation:

a=31 60=31 60=360=20 min
b=31 45=31 45=345=15 min



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You need to know the following knowledge to solve this word math problem:

arithmeticnumbersUnits of physical quantitiesGrade of the word problem

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