Posted by **lien** on Sunday, May 12, 2013 at 12:08am.

A clock is 4 minutes fast when the correct time is 10am,but it is losing 2 minutess every half hour.What time will it show when the correct time is 4pm.the same day?would u please show me how to work it out,thanks

- math -
**bonjo**, Sunday, May 12, 2013 at 7:42pm
you can either construct your formula

OR go step by step until you reach 4pm.

at 10am, 4 minutes is ahead

at 10:30am, 2 minutes ahead

at 11:00, 0 minute ahead

at 11:30, 2 minutes late

at 12:00pm, 4 minutes late and so on...

hope that helps..

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