Gary's Third Pottery Blog
"Men are but gilded loam or painted clay" --Richard the Second, Shakespeare.
Gary's third pottery blog

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Wednesday, November 11, 2009

a big pair of....


(jugs by Gary Rith)

I came across this puzzle, which is not exactly what I would call easy to understand:

You have 2 jugs. A 5 gallon jug and a 7 gallon jug. There are no marks on the jug to show the difference between each gallon.

How do you get 6 gallons exactly?

The Answer:

First fill up the 5 gallon jug and pour it into the 7 gallon jug. Now there are exactly 5 gallons in the 7 gallon jug. Then fill the 5 gallon jug up again and pour as much as possible in the 7 gallon jug. Only 2 more gallons will fit in the 7 gallon jug so there will be 3 gallons left in the 5 gallon jug. Next pour out the 7 gallon jug and pour the three gallons that are in the 5 gallon jug into the 7 gallon jug. There should now be 3 gallons in the 7 gallon jug. Now fill the 5 gallon jug up again and pour as much that will fit into the 7 gallon jug. Only 4 gallons will fit so there should be 1 gallon left in the 5 gallon jug. Again pour out the 7 gallon jug. Pour the 1 gallon the is in the 5 gallon jug into the 7 gallon jug. There should now be one gallon in the 7 gallon jug. Now fill up the 5 gallon jug and pour all of it in the 7 gallon jug. That plus the 1 gallon that is already in there equals to 6 gallon.

15 comments:

Nancy L.K. Boyce said...

Hey Gary- I haven't been keeping up with the blogs! Your new one looks FAB! Love the jugs!

nickandmiri said...

Hey Gary, nice jugs! But I'm sure you get that a lot! :-)

Jay said...

That's a lot of math at 8:14 am. I'm just gonna take your word for it. haha ;-)

Michael Kline said...

Have to send this one over to Doug! There oughtta be more math with jugs/pottery. Don't you think? I'll propose this at the next Board of Education meeting!!

Excellent.

cindy shake said...

I love the glaze on your pitchers!! Beautiful.

Pauline said...

Haha that is way too much math for me this early in the morning!

Real Live Lesbian said...

Cute jugs! And no math, please. My brain just exploded!

Susan as herself said...

All I know is, I need a cold beer after reading that math problem. And I don't care how much is in the glass. :D

ML said...

You lost me, kid, after about the second pour. I'll take your word for it, okay? and maybe forward it to my son, the engineer, who's good with numbers and see if he agrees. Aside from that, the jugs really ARE beautiful and a nice crisp cold beer would be loverly.

Michéle Hastings said...

...way to much math for me!

denis said...

this was a fun post!

Lynda said...

Hey, I actually get it. Didn't I see something similar in some Mel Gibson (one of the Lethal Weapon) movies or maybe a Samuel L Jackson movies... darn, now I can't remember.

Lynda said...

This is almost like the Lethal Weapon problem for Mel Gibson and Danny Glover - remember???

soubriquet said...

If I understand it right, and i probably don't, because I'm numerically challenged, or, as they say here, "as thick as two short planks".
But... if I understand right, in order to get six gallons exactly, you pour out fourteen gallons. Hope that's not wasted beer.
Hm.
Them's big jugs. A seven galloner would contain nearly sixty pounds weight of water!

Farmer*swife a/k/a Glass_Half_Full said...

I would have filled up the 5 gallon jug and poured it into the 7 gallon jug. Then, I would have filled up the remaining space 1/2 way in the 7 gallon jug. That would be 5 plus half the space of 7 gallons, equaling 6 gallons.

But, that's just me... :-D

Me and Missus Tastycakes

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I am a part-time pottery instructor at Cornell University Pot Shop and a full-time studio potter and sculptor, married to superhawt Missus Tastycake.