miamivince
New member
- Joined
- Jan 25, 2013
- Messages
- 23
The correct time is 12.30 . An electric clock is running backwards and showing 6.24. The power was cut @ 9.06. If the clock keeps accurate time, how long has the power been switched off ? The s'oln is 42 mins, I don't see where it comes from.
I assume the final line will involve 2 simultaneous equations, solve for hour and minutes. Would you use the identities for showing degrees on a normal clock- 30h + m/2 and 6m ? Thanks.
I assume the final line will involve 2 simultaneous equations, solve for hour and minutes. Would you use the identities for showing degrees on a normal clock- 30h + m/2 and 6m ? Thanks.