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English 13 Online
OpenStudy (yinshy):

Which sentence is punctuated correctly? A. The rocket launches in 50 minutes, at 810 A.M. B. The alarm clock is set to wake me at 7:40 A.M. C. The sun will rise at 5;15 A.M. D. Is "a quarter after three" the same as 3.15?

OpenStudy (anonymous):

B because the other ones have mistakes in separating the minutes from the hour.

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