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MathXplosion
If the Shoe Fits...
Learning to lace and tie shoes is a difficult hurdle that everybody has to overcome in the course of growing up. But as you lace over, under, in and out, have you ever wondered how many ways you can tie a shoelace? Follow Eric's steps as he shows us a couple of the 43,000 ways to tie shoelaces It's not magic... it's math!