MathDB
Amc

Source:

February 22, 2006

Problem Statement

Let AA, MM, and CC be nonnegative integers such that A+M+C=10A+M+C=10. What is the maximum value of AMC+AM+MC+CAA\cdot M\cdot C+A\cdot M+M\cdot C+C\cdot A? (A) 49(B) 59(C) 69(D) 79(E) 89\text{(A)}\ 49 \qquad\text{(B)}\ 59 \qquad\text{(C)}\ 69 \qquad\text{(D)}\ 79\qquad\text{(E)}\ 89