SOLUTION: A lumberjack has 4n + 110 logs in a pile consisting of n layers. Each layer has two more logs than the layer directly above it. If the top layer has six logs, how many layers are t

Question 638494: A lumberjack has 4n + 110 logs in a pile consisting of n layers. Each layer has two more logs than the layer directly above it. If the top layer has six logs, how many layers are there?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
The formula for the total logs in the pile of
layers with logs on top seems to
be
-----------------------
Since there are logs in the pile,

Looking at this, I get

( reject the negative result )
There are 10 layers
check:

and

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