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September 14, 2014

September 14, 2014

Posted by **Erin** on Wednesday, February 25, 2009 at 7:24pm.

help me: The first walker to finish the 12 miles crossed the finish line 3 hours after the offical starting time of 10:00 a.m. At what time did the first walker finish?

The judges left the finish line at 5:30 p.m. They had started working 8 hours earlier. At what time did the judges start working?

- Math -
**Ms. Sue**, Wednesday, February 25, 2009 at 7:54pmHmm -- 10 + 3 = 13

But most clocks don't have 13 o'clock. They only go up to 12. So -- it must be o'clock.

Count backwards from 5:30 to find the answer for the second problem.

- Math -
**Katie**, Wednesday, February 25, 2009 at 7:57pmFor the first problem all you have to do is add 3 hours to 10:00am.(count 10:00 to 11:00 (1 hour), 11:00 to 12:00 (2 hours), etc.)

For the second problem just count backwarks 8 hours (i.e. 3 hours earlier of 5:30 would be 2:30 (5:30 to 4:30 (1 hour), 4:30 to 3:30 (2 hours), 3:30 to 2:30 (3 hours))).

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