Question

3Tabithas’ clock loses 15 seconds every hour. She set the correct time on the clock at 0830 h on a Friday. Determine the time shown on the clock when the correct time was 2100 h on Monday of the next week. (4 marks)

Answer 1

Answer:

20 h 38 mins

Step-by-step explanation:

Total time spent

3*24 hours + 12.5 hours

72+12.5 hours

84.5 hours

Every hour 15 secs delay means she has lost

15*84.5 secs which is

=1267.5 seconds

=21 minutes 7.5 seconds

The clock will show the time as

20 h 38 mins to me approximate