Betty has 30/3 = <<30/3=10>>10 sets of 3 red beads.

So, she has 10 x 2 = <<10*2=20>>20 blue beads.

# Answer

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<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Betty has 3 red beads for every 2 blue beads that she has. How many blue beads does Betty have if she has 30 red beads?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
20
Betty has 3 red beads for every 2 blue beads that she has. How many blue beads does Betty have if she has 30 red beads?
train