The first 4 customers bought 4*2=<<4*2=8>>8 paintings

The next 12 customers bought 12*1=<<12*1=12>>12 paintings

The last 4 customers bought 4*4=<<4*4=16>>16 paintings

In total Tracy sold 8+12+16=<<8+12+16=36>>36 paintings

# Answer

36
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Tracy set up a booth at an art fair. 20 people came to look at her art. Four of those customers bought two paintings each. The next 12 of those customers bought one painting each. The last 4 customers bought four paintings each.  How many paintings did Tracy sell at the art fair?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
36
Tracy set up a booth at an art fair. 20 people came to look at her art. Four of those customers bought two paintings each. The next 12 of those customers bought one painting each. The last 4 customers bought four paintings each.  How many paintings did Tracy sell at the art fair?
train