Page 5 - PPT 9
P. 5

Example 2:







           Given that:  Finishing time, FT = 10:30 p.m.

                                                                 = 22:30 hours (in 24-hour clock format)

                             Elapsed time, ET = 1 hour 30 minutes



           To find:       Starting time



           So,               STARTING TIME, ST = FT – ET

                                                                 = 22 hours 30 minutes – 1 hour 30 minutes

                                                                 = 21:00 hours
                                                                 = 9:00 p.m. (in 12-hour clock format)
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