November 25, 2015

Homework Help: math

Posted by KMTRENd on Wednesday, February 3, 2010 at 4:04am.

- Using each of the ten digits 0,1,..9 just once, is it possible to form positive integers whose sum is exactly 100?

- The only timepiece owned by a man was a wall clock which had stopped because he had forgotten to wind it. In the afternoon, he wound it while it was showing (Incorrectly) 1:00, the walked to a friend's place and noted that the correct time was 3pm. He left his friend's place at 5:30pm that evening, taking the same route home and walking at the same average speed. On arrival his clock showed 5:30. What (correct) time did he arrive home?


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