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)
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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
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