Heidi has 12+5 = <<12+5=17>>17 nail polishes.

Karen has 12-4 = <<12-4=8>>8 nail polishes.

Heidi and Karen have 17+8 = <<17+8=25>>25 nail polishes together.

# Answer

25
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Kim has 12 nail polishes. Heidi has 5 more nail polishes than Kim, and Karen has 4 fewer nail polishes than Kim. How many nail polishes does Karen and Heidi have together?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
25
Kim has 12 nail polishes. Heidi has 5 more nail polishes than Kim, and Karen has 4 fewer nail polishes than Kim. How many nail polishes does Karen and Heidi have together?
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