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Little Kids Math Problem help ++++ KARMA

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Albrecht.
Posts: 1535 - Karma: 11
sue and rich went fishing on monday
they caught 20 fish
they went back on tuesday and caught 30 more
when they went back on wednesday how many did they catch.  Why?
Nov 27 2008 10:40AM
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skithesprings
Posts: 9086 - Karma: 1,349

45 fishies,

20 x 1.5 = 30 

30 x 1.5 = 45

they catch 1.5 times as many fish each day

try to get my karma back to 6969

Nov 27 2008 10:48AM
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gordie.
Posts: 2014 - Karma: 84
none.
all the fish died of pollution because of

GLOBAL WARMING!
and
THE CORPORATIONS!

[URL=http://img512.imageshack.us/my.php?image=algoreap7.jpg]Click for larger image[/URL][URL=http://g.imageshack.us/img512/algoreap7.jpg/1/]Click for larger image[/URL]
Nov 27 2008 10:48AM
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spliff.Life
Posts: 7847 - Karma: 1,550
closest i could get it is 62, or 71
Nov 27 2008 10:52AM
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860
Posts: 2930 - Karma: 166
i got you to 64
Nov 27 2008 11:09AM
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Albrecht.
Posts: 1535 - Karma: 11
my little cousins cunt of a teacher marked him wrong for that in the third grade.  hes a pretty smart kid and  had basically the same explanation as you but the teacher said the answer was 40.  my whole family is debating over this right now.

Nov 27 2008 11:12AM
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fillup
Posts: 4904 - Karma: 568
It could be 40, as in 20-30-40 pattern.
Nov 27 2008 11:18AM
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TechnoPotamus
Posts: 11626 - Karma: 3,522
yeah i don't get how she could say one thing is wrong and the other isn't if there basically were no guidelines or further explanation to the problem than what the threat creator typed out up there
Nov 27 2008 11:30AM
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Peach.
Posts: 3879 - Karma: 933
yeah its in patterns of x1.5
Nov 27 2008 11:40AM
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chicken.
Posts: 289 - Karma: 587
damn this is hard, i got u to 6968 karma
Nov 27 2008 12:02PM
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JockinJLoads
Posts: 3480 - Karma: 6
got it!
Nov 27 2008 12:06PM
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Pippin
Posts: 4846 - Karma: 661
Realistically at a 3rd grade level it more appropriate for a teacher to be looking for a +10 pattern as the answer, that being said i think your cousin's teacher should give him some credit for finding a pattern of 1.5x which takes a certain amount of skill
Nov 27 2008 12:16PM
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wunderskier
Posts: 418 - Karma: 9

he's right...bump.

wait no, i guess i wont so you can have 6969

Nov 27 2008 12:39PM
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Bepo
Posts: 8195 - Karma: 17
who said it follows a pattern? Catching fish is all random. Either way, to determine a correct pattern you need more than 2 values.
Nov 27 2008 12:55PM
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powderhound100
Posts: 2510 - Karma: 144
ya your little cousin is smart. he should get more credit for seeing the 1.5 pattern. fuck that teacher. if there were no more guidelines, both are correct. with only 2 values its kind of stupid anyway
Nov 27 2008 1:17PM
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[MEGAMO]
Posts: 1222 - Karma: 18
i hate elementary school teachers, they are all retarded.
Nov 27 2008 1:51PM
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THEDICKBUTCHER
Posts: 3067 - Karma: 673
gave you 2 more and now its at 6967... almost there.
Nov 27 2008 2:03PM
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TeamJones
Posts: 629 - Karma: 12
Well technically the teacher is wrong by even saying that 40 is correct. The amount of fish you can catch on any given day is not at all related to how many fish you caught the day before.

And I thought all pattern problems had to have at least 3 givens? If it went from 2 to 4, what would it be on the third day? 6, 8, and 16 are all legit answers.
Nov 27 2008 2:15PM
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Grove_Street
Posts: 482 - Karma: 15
i got you there now return the favor, if you want to
Nov 27 2008 2:22PM
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Microcosm
Posts: 4765 - Karma: 153
thats fucking bull dude. No matter what way you look at it, theres not enough information to solve the problem. Are we looking for an expotential pattern? a linear pattern? what...? that teacher sucks.
Nov 27 2008 2:28PM
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caucasian_chad
Posts: 4078 - Karma: 3,625
My brother had a problem similar to this in his math book and I told him to skip it because there wasn't enough info to solve the problem.  Math book writers are retarded.
Nov 27 2008 2:28PM
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killa_cam
Posts: 13143 - Karma: 15
40 if it's an arithmatic series, 45 if it's geometric
Nov 27 2008 2:40PM
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ontwosticks
Posts: 915 - Karma: 95
Considering the age of the people in quesiton, I'm gonna have to say that 40 is the correct answer being that 20+10=30 and 30+10=40...so 40 would be correct considering we're talking 3rd grade. Older than that it could very well be the x*1.5 thing.
Nov 27 2008 2:42PM
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Piste.Off
Posts: 11586 - Karma: 1,861
you cant determine it to be a 10-20-30 pattern or a 1.5 pattern with just two numbers, this problem is bull
Nov 27 2008 3:57PM
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blaiser
Posts: 177 - Karma: 10
what a stupid question. the answer should be ~25. because it is the mean number of of fish caught in two days is 25, it is likely that 25 fish will be caught on the third day. you can't have a statistically significant linear trend with just two values
Nov 27 2008 4:05PM
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Malcolm
Posts: 15949 - Karma: 9,428
i wouldve said 40. just to be on the safe side
Nov 27 2008 4:07PM
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mellifluous
Posts: 1682 - Karma: 68
i did it! 6969
Nov 27 2008 4:57PM
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marc_sncl
Posts: 612 - Karma: 16
hit your karma is going crazy
Nov 27 2008 5:35PM
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twix_182
Posts: 9248 - Karma: 27
there isnt sufficient information for you to know. boom
Nov 27 2008 5:55PM
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ONTerriible
Posts: 1210 - Karma: 126
this could be it too, i mean they all work, the kid should put down all of then
Nov 27 2008 7:23PM
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Skibumsmith
Posts: 5414 - Karma: 11,608
This is the most reasonable answer. It is rediculous to think that the kid will catch 1.5 times as many fish each day or 10 more each day. You can't catch fish at an exponential rate.
Nov 27 2008 7:50PM
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twix_182
Posts: 9248 - Karma: 27
i think another thing that hasnt been put into consideration is the fact that the probability of catching fish will be much less since there are now 50 less fish then there were in the water.
Nov 27 2008 7:54PM
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Happy.
Posts: 1248 - Karma: 9
got it!
Nov 27 2008 7:59PM
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comeatmebro
Posts: 10720 - Karma: 66
this is bs.

obviously you need to know the location of said fishing area, and the month you are fishing. then you need to know the stocking report numbers. and since you caught a higher number of fish, the probability of catching more fish the next day is less likely. so fuck that teacher.

there are so many answers, fucking stupid ass teacher. you should personally go down there and own her ass. fucking not even giving enough info to solve the problem. cunt.
Nov 27 2008 8:12PM
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B.Aussie
Posts: 5851 - Karma: 4,522

Woah your little cousin is really smart.

The third grade answer would be 40.  But for your little cousin to find the more complex answer is really smart she should be praising him instead of punishing him for such intelligencee in year 3.

Nov 27 2008 8:16PM
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AptosFreeskier
Posts: 1240 - Karma: 17
You are forgetting that it doesn't matter what grades you get in elementary school. It is so stupid how people get angry at teachers because they got a problem wrong. Seriously, live up to your mistakes.
Nov 27 2008 8:21PM
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C.R.E.A.M
Posts: 2930 - Karma: 4,218

bingo

or if its trignometric it could go back down to like 20.

Nov 27 2008 8:31PM
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huge-go
Posts: 1451 - Karma: 33
Props to your cousin for finding the x1.5 pattern. But I think the rest if you need to be more realistic. I don't think I was learning about geometric patterns in gr.3, let alone ones that are multiplied by decimals. But I concur, there should have been a third value.
Nov 27 2008 9:06PM
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