In the Champagne region of France, wine growers still

[rahulsnh]

[redacted]

[Sage Pearce-Higgins]

Please cite the source (author) of this problem. We cannot reply unless a source is cited (and, if no source is cited, we will have to delete the post!). Thanks.

[rahulsnh]

I got the problem from a pdf file uploaded on a forum. The file does not mention author or source. Pls feel free to delete the post.

[RonPurewal]

why in the world would you be using problems from an unknown source?
seriously, you should know better than that...