| Un article trouvé pour ce sujet. 
 |  |  |  |  |  |  
  |  |  |  |  
   | Average price | 2017-09-15 |  
  |  | Annette pose la question : If I sold a widget at $15.50 17.5% of the time and $16.50 88.5% of the time what is the algebraic expression for that.  How do I arrive at an average price
 Penny Nom lui répond.
 |  
  |  |  
  |  |  |