Homework Help: ELAPSED TIME

Posted by MALAYSHA on Saturday, February 2, 2013 at 7:58pm.

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 - Ms. Sue, Saturday, February 2, 2013 at 8:09pm
11:60 - 9:40 = 2:20

2:20 + 7:20 = ?

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