Lucy is hiding under a table at her parent's holiday party. Looking out, Lucy counts 20 legs in the room. Later, all 10 adults leave the room. However, Lucy can still see 6 legs. How is this possible?
Lucy is hiding under a table at her parent's holiday party. Looking out, Lucy counts 20 legs in the room. Later, all 10 adults leave the room. However, Lucy can still see 6 legs. How is this possible?
