Bobbie has 18 * 3 = <<18*3=54>>54 crayons.

Lizzie has 54 / 2 = <<54/2=27>>27 crayons.

# Answer

27
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Lizzie has half as many crayons as Bobbie. Bobbie has three times as many crayons as Billie. If Billie has 18 crayons, how many crayons does Lizzie have?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
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user
27
Lizzie has half as many crayons as Bobbie. Bobbie has three times as many crayons as Billie. If Billie has 18 crayons, how many crayons does Lizzie have?
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