The sell reduced the price of each pin by 20*.15=$<<20*.15=3>>3

So he paid 20-3=$<<20-3=17>>17 per pin

So the total cost was 17*10=$<<17*10=170>>170

# Answer

170
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
John decided to buy 10 pins for himself.  They are normally $20 each but they were on sale for 15% off.  How much did he spend on pins?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
170
John decided to buy 10 pins for himself.  They are normally $20 each but they were on sale for 15% off.  How much did he spend on pins?
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