it continues....

19.  The turtle reverts to it's form, saving you all.  Halted by a hand rising from the ground it asks, "Four 9's equal 100, how?"

   

20.Perplexed by the riddle, the pixie whispers in your ear 99 + (9/9), which you write down on the ground with a stick.

 

    

21.The hand grabs you all, flying toward the city.  It stops and asks, "If each finger is a hand and shakes the other, how many shakes are there?

   

22. Picturing the image in your mind, you say ten.  The hand sets the three of you down in front of the gates of the city, waving in the wind.