| 
 | ||||||||||||
| 
 | ||||||||||||
|  | ||||||||||||
| 
 | ||||||||||||
|  | ||||||||||||
| Jim, there's typically no nice solution to such problems but if you look on our site at: mathcentral.uregina.ca/QQ/database/QQ.09.97/payson1.html you'll see an answer to a related question that might help you. Penny | ||||||||||||
| 
 | ||||||||||||
|   Math Central is supported by the University of Regina and The Pacific Institute for the Mathematical Sciences. | ||||||||||||