I have cows, horses and dogs, a different prime number of each. If I multiply the number of cows (c) by the total of cows and horses (c+h), the product is 120 more than the number of dogs (d), that is: c*(c+h) = 120 + d.

How many of each do I have?

(In reply to re: Agreed by rod hines)

"unless Charlie, using routines far beyond my comprehension, gets anything different."

Itīs the unique solution. Can you prove it?

Posted by pcbouhid on 2008-10-20 17:55:32