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7/10/2014 2:16:42 PM

my78
my78
Posts: 4
Hi guys,
I keep solving this problem but got stuck every time I tried to eliminate the left over.

1. Barbara's project sold for either exactly $1.00 more or exactly $1.00 less than the necklace made from tooth shells.
2. Ginger didn't complete her project in one class (which wasn't the length of time it took to finish the brooch inlaid with mother-of-pearl)
3. The mosaic tile made from painted pieces of clam shells (which sold for exactly $1.00) less than the item Jeff created) didn't take six classes to complete.
4. The item that sold for $20.00 required exactly two more classes to finish than the piece that sold for $27.50 (which wasn't made by Jeff)
5. The jewelry box and the item Noel made are the project that took exactly 3 more classes to finish than the piece that sold for $28.00 and the item that sold for exactly $6.60 less than the brooch, in some order)

Grid:

Verticle

Barbara
Ginger
Jeff
Noel
Sarah

$20.00
$21.00
$26.50
$27.50
$28

1
3
4
6
7

Horizontal

Brooch Jewelry Lamp Mosaic Necklace 1 3 4 6 7 $20 $21 $26.50 $27.50 $28

7/10/2014 8:58:20 PM

Amy Lowenstein
Amy Lowenstein
Posts: 1599
What do you mean about "eliminating the leftover?" I don't think I've heard of that in a logic problem before. Do you mean that when, for example, the $20 item couldn't be 1 class, 6 classes, 7 classes, or 4 classes, it had to be 3 classes by "elimination?" If you don't get that lucky all the time to eliminate 4 of 5 choices and have only one thing left, sometimes you can work with the fact that you're down to 2 choices, and maybe that, say, the $21 item and the $26.50 item are both the same choice of 2 numbers of classes, for example.

I solved this problem, and you didn't even give us the whole problem. You didn't give us the intro, I think you have a typo in your Clue 5 (nothing in this puzzle as you typed it, is $6.60 less than anything, but there are a couple of things which are $6.50 less than something), and I think you left off part of the grid, the part about the projects.

I made myself a 5x4 grid, and I added "Project" as the last thing on the top. Because you didn't give us the intro, I had to put down Brooch, Jewelry Box, Mosaic Tile, Necklace, and "Unknown," because I didn't know what it was -- not that it's particularly important, given that there was only ONE type of project whose description we didn't know. If there had been two -- which sometimes happens -- it would have been trickier.
edited by Amy-in-PA on 7/10/2014

--
Amy

7/10/2014 11:53:57 PM

Frances
Frances
Posts: 697
The fifth project is "lamp". See at the bottom of my78's post where the three horizontal categories are listed in one line.

7/11/2014 6:26:13 AM

Amy Lowenstein
Amy Lowenstein
Posts: 1599
Oh, yeah, thanks, Frances, I hadn't seen that at first.

--
Amy

7/16/2014 3:05:54 AM

my78
my78
Posts: 4
Amy: Can you provide me the solution to check?

7/16/2014 6:01:45 AM

Amy Lowenstein
Amy Lowenstein
Posts: 1599
I don't remember if I kept it, so I'd have to re-work it. You could send me something with how far you got.

--
Amy

7/26/2014 2:07:30 PM

my78
my78
Posts: 4
Hi Amy: I worked this problem out until this and realized that it's wrong at some points....

1. Therefore Barbara's project and necklace are not $28, Barbara's project is not necklace as well.
2. Ginger and brooch are not 1 class.
3. Mosaic is not 6 classes. Mosaic can be $20,$26.5, and Jeff's can be $21 or 27.5 only. Mosaic is not Jeff.
4. $20 can be 3,6 classes. $27.5 can be 1,4 classes. Jeff isn't 27.5. From there we can conclude Jeff is $21. and Mosaic is $20
5. Jewelry and Noel can be 4,6,7 classes. $28 can be 1,3,4 classes. Brooch can be $26.5 or 27.5

You can see my work here: https://www.flickr.com/photos/duongnguyen0909/14750304392/
Please help!
edited by my78 on 7/26/2014

7/26/2014 10:09:49 PM

Purple Pisces
Purple Pisces
Posts: 878
Hope it's ok to join in the conversation! I printed out the puzzle and was able to solve it, checking my answers back against the clues to see that they all worked. Let me start by saying that checking my answers against yours in the chart they don't all match up. The major contradiction I see in your answers involves clue #5. Looking at your chart we see that the brooch is $26.50 (this answer matches mine). You're correct that the jewelry box is not $20. This means that Noel would have to be $20 ($6.50 less than the brooch) so Noel could not have made the brooch. By process of elimination, the jewelry box is the one that took 3 weeks longer than the $28 item, which means that it could not be the $28 item as you have shown in your grid.

After going through the clues one time, look at clue #5 to help eliminate certain possibilities. I hope this has helped, and hope you and Amy don't mind me jumping in on this thread.
edited by Purple Pisces on 7/26/2014

7/26/2014 10:14:18 PM

Amy Lowenstein
Amy Lowenstein
Posts: 1599
I couldn't solve it fully when I tried this 2nd time, but I did write a private answer along with a PDF of my Excel worksheet, that had plenty of notes, such as clue 5 meaning that the jewelry box (ditto Noel) could be either 3 more classes than the $28 item (hence, not $28), or, $6.50 less than the brooch (hence, not $28), so the jewelry box can't be $28 in any event, nor can Noel be $28 in any event.

--
Amy

7/27/2014 12:18:23 PM

Purple Pisces
Purple Pisces
Posts: 878
*****Spoiler Alert*****

I made a couple notes as I solved to help explain how I arrived at my solution. When going through the clues, the first "yes" I was able to note was that Jeff's project sold for $21. Which means that according to clue #3, that the mosaic sold for $20.

After noting further possible "no" relationships, the next "yes" I was able to make was that the $20 project took 3 classes to complete. Looking at clue #4, this lets us know that the $27.50 project only took one class to finish.

Now, looking at the section where the number of classes intersects with the prices, it should show that the classes that took 6 or 7 days, could only have been either $21 or $26.50, so we can mark this as such on the grid.

After looking at the grid and ruling out other possibilities, we can now look at clue #5. The brooch sold for $26.50. The jewelry box did not sell for $20, so by looking at clue #5, the jewelry box took 3 more weeks to complete than the $28 item, and Noel's project sold for $20. After you get past this part of the puzzle it should get easier to fill in the "yes" and "no" relationships.
edited by Purple Pisces on 7/28/2014

7/29/2014 2:22:13 PM

my78
my78
Posts: 4
Did you get
Barbara - brooch - 6 - 26.5
Ging - lamp - 4 - 28
Jeff - jewelry - 7 - 21
Noel - mosaic - 3 - 20
Sarah - necklace - 1 - 27.5

It didn't match with the clue #5 where it said jewelry and Noel item are 3 classes more....(that means Noel must be 4,6, or 7). In this case I have (You also have) Noel with 3 classes.....

7/29/2014 3:08:04 PM

Frances
Frances
Posts: 697
Clues like #5 can sometimes be a bit confusing. "[I]n some order" means A=C and B=D OR A=D and B=C. So:

Jewelry box=
took 3 more classes than $28
and
Noel=
sold for $6.60 less than brooch

OR

Jewelry box=
sold for $6.60 less than brooch
and
Noel=
took 3 more classes than $28

7/29/2014 3:36:08 PM

Purple Pisces
Purple Pisces
Posts: 878
My answers match yours my78! Frances is right, clues like #5 can be confusing, but I think she did a nice job of showing the possibilities for clue #5.

7/29/2014 5:42:41 PM

Amy Lowenstein
Amy Lowenstein
Posts: 1599
I will certainly go along with Frances. I didn't even finish the puzzle this time around (had done so several weeks ago but not kept my solution) but I agree about how clue #5 plays out, that Noel, for example, can be 3 more classes than the $28 item, or $6.60 less than the brooch (but not both).

--
Amy

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