Sorry, i love to riddles and when i see i cant stop myself :) And i dont like unsolveable riddles :) Thank you for your sharing...

Hey! If there is 10 each in every sacs, i found it :) You should take one ring from first sac, take two rings from second, take three rings from third... take ten rings from tenth. It must be 55gr. total.

I agree with your determinations and suggestions, that's good article. I want to share a video about animals nutritional, this is a funny video :) Sure, I know you don't mean this :)