If 20% of 220 customers ordered vanilla, then there were 0.2*220=<<0.2*220=44>>44 customers who ordered vanilla.

If there were twice as many people who ordered vanilla as chocolate, then 44/2=<<44/2=22>>22 customers ordered chocolate.

# Answer

22
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Saturday at the ice cream shop, there were twice as many people who ordered vanilla ice cream as ordered chocolate ice cream.  If 220 people ordered ice cream on Saturday, and 20% of those ordered vanilla ice cream, how many people ordered chocolate ice cream?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
22
Saturday at the ice cream shop, there were twice as many people who ordered vanilla ice cream as ordered chocolate ice cream.  If 220 people ordered ice cream on Saturday, and 20% of those ordered vanilla ice cream, how many people ordered chocolate ice cream?
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