and twelve more around the new perimeter. That makes six rows
of 3 coins, six rows of 4 coins and three rows of 5 coins.
Number each coin with a different number from 1-19 so that
the same sum is achieved along all fifteen rows.
What is that sum?
OK now that we have that settled, find the numbers.
Edited by bonanova, 06 March 2009 - 01:36 PM.
Add the final question