He bought 3*12=<<3*12=36>>36 eggs

So they cost 36*.5=$<<36*.5=18>>18

# Answer

18
Question:
Tim buys 3 dozen eggs.  Eggs cost $.50 each.  How much did he pay for eggs?
Answer:
Let's think step by step.

user
18
Tim buys 3 dozen eggs.  Eggs cost $.50 each.  How much did he pay for eggs?
train