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How many numbers are in the list $ \(147, 144, 141, \ldots, 42, 39?$\)

 Mar 28, 2020
 #1
avatar+4569 
0

See answer below, should be 37 numbers...

 Mar 28, 2020
edited by tertre  Mar 28, 2020
 #3
avatar+4569 
0

I'm sorry, the first term is 147...

 

147-3y=39

 

108/3=36

 

1+36=37 counting numbers numbers

 Mar 28, 2020

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