Note: Year 27 consists of three rounds of five problems each.Please note that Problem 4/2/27 was edited on November 18. Please make sure you have the correct version. The corrected problem states "P(a+b) - P(b) is a multiple of P(a)" rather than "P(a) divides P(a+b)-P(b)".
Submission Deadline: November 30, 2015
Web deadline: 3 PM Eastern / Noon Pacific on the due date
Mail deadline: Postmarked on or before the due date
Remember to fully justify all your answers - don't just send numerical answers.
Read the complete rules to learn more about how to submit your solutions.
Past rounds and solutions:
You can also check out past years' USAMTS problems.