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March 28, 2017

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How long did John sleep if he went to bed at 9:40 P.M., and got up at 7:20 A.M.?

  • ELAPSED TIME - ,

    11:60 - 9:40 = 2:20

    2:20 + 7:20 = ?

  • ELAPSED TIME - ,

    9 hours and 40 minutes

  • ELAPSED TIME - ,

    9 hours and 40 mins.

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