Each month, there will be several problems posted as the Problem of the Month.
You will have the entire month in which to solve the problems.
At the end of the month, I will post the names of the Problem Solvers for each problem.  

Click on one of the following problems for this month:

Sum Christmas Trees

The Island People

1,000 Lamps

FORTY + FIFTY + ZERO + ZERO = NINETY



Send your solution by the end of the month to: David Pleacher