Design Con 2015
Breaking News
Comments
Newest First | Oldest First | Threaded View
genp
User Rank
Rookie
re: Brain boggler #2 - can you wrap your thinking organ around this little beauty?
genp   3/6/2008 2:33:39 PM
NO RATINGS
No math. Since we don't know the spoon size, we can assume it's equal to the quantity of a liquid in a glass (of coarse a glass should take this additioal amount). Now put both into one glass, mix and take half back. Here we are - concentration is equal. Gennady

Randa11
User Rank
Rookie
re: Brain boggler #2 - can you wrap your thinking organ around this little beauty?
Randa11   3/6/2008 1:52:55 PM
NO RATINGS
They are the same. Suppose now contains x% then it must contain (100-x)% of , and, must contain [100 -(100-x)] ie x% of and (100-x)% of .



Most Recent Comments
Flash Poll
Top Comments of the Week
Like Us on Facebook
EE Times on Twitter
EE Times Twitter Feed

Datasheets.com Parts Search

185 million searchable parts
(please enter a part number or hit search to begin)
EE Life
Frankenstein's Fix, Teardowns, Sideshows, Design Contests, Reader Content & More
Max Maxfield

Are Today's Designs Bound by the Constraints of Yesteryear?
Max Maxfield
25 comments
As part of my ongoing Pedagogical and Phantasmagorical Inamorata Prognostication Engine project (try saying that 10 times quickly), I'm working with Jason Dueck from Instrument Meter ...

Jolt Judges and Andrew Binstock

Jolt Awards: The Best Books
Jolt Judges and Andrew Binstock
1 Comment
As we do every year, Dr. Dobb's recognizes the best books of the last 12 months via the Jolt Awards -- our cycle of product awards given out every two months in each of six categories. No ...

Engineering Investigations

Air Conditioner Falls From Window, Still Works
Engineering Investigations
2 comments
It's autumn in New England. The leaves are turning to red, orange, and gold, my roses are in their second bloom, and it's time to remove the air conditioner from the window. On September ...

David Blaza

The Other Tesla
David Blaza
5 comments
I find myself going to Kickstarter and Indiegogo on a regular basis these days because they have become real innovation marketplaces. As far as I'm concerned, this is where a lot of cool ...