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#4125868 - 05/28/15 04:36 AM Easy math question  
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Timothy Offline
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I'm helping a guy and I just can't figure out this problem, without it I can't explain it. It is simple, but I'm so drugged up I just can't figure it out. That and I just hate word problems.

Here it is:

Quote:
It takes 9 hours for 7 people to paint a house, how long will it take 3 people to do the job?"


I know how to do if it takes Martha 4 hours to rake the leaves and her brother 7 hours, how long does it take for the two of them to do it. This one, I just can't recall it.


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#4125870 - 05/28/15 04:44 AM Re: Easy math question [Re: Timothy]  
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I multiplied the hours (9) by the people (7) to get 63 man hours. Then divide those man hours among 3 people, for a 21 hour job?

Don't quote me on that!


WARNING: This post contains opinions produced in a facility which also occasionally processes fact products.
#4125874 - 05/28/15 04:59 AM Re: Easy math question [Re: Timothy]  
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That's it. Thanks.


Keep Calm and Check Canopy

There are no ex-paratroopers, only ones off jump status

Learn Economics at:
http://www.mises.org
Carthago delenda est
#4125877 - 05/28/15 05:18 AM Re: Easy math question [Re: Timothy]  
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The correct answer is obviously that it takes 3 people no time to do the job, since the 7 people already did the job.

of course, teachers frown upon creative answers biggrin

#4125883 - 05/28/15 06:09 AM Re: Easy math question [Re: Timothy]  
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Immermann Offline
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And you also have to consider the professions of the people involved.
How many lawyers, and so on... biggrin


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#4125894 - 05/28/15 07:26 AM Re: Easy math question [Re: Timothy]  
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And the number of tea breaks if they are English wink


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#4125944 - 05/28/15 11:37 AM Re: Easy math question [Re: Timothy]  
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or naps if they are spanish or french

are they unionized or on commision ?


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carpe diem
#4126034 - 05/28/15 02:35 PM Re: Easy math question [Re: Timothy]  
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Entil'zha
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Is one group using rollers and the other toothbrushes? Makes a difference.



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#4127712 - 06/02/15 03:02 AM Re: Easy math question [Re: No105_Archie]  
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Originally Posted By: No105_Archie
or naps if they are spanish or french

are they unionized or on commision ?




Wheels


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#4127749 - 06/02/15 05:16 AM Re: Easy math question [Re: Timothy]  
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CG2015 Offline
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I sent the question to a couple of friend who are College and High School teachers, one of them being a mathematics teacher.

This is T's answer:

need to know some things first.....

1....are they workers or govt employees
2. will they be using brushes or a paint sprayer
3. what are the weather conditions? rainy, windy, etc
4. is this a one story or two story home?
5. will they have ladders or scaffolding?

and this is D's answer:

Indeed, once T's insightful expert questions are answered then more insightful expert questions can be asked to determine the solution. But in the meantime

1. Is there a cooler full of beer part of the scenario?
2. if so, then cans or bottles?
3. Is there a fair and equitable ratio of beer to painters?
4. What color is the paint?
5. Is the paint semi-gloss or gloss?
6. Is there so much beer present that there is a possibility that one of the painters will stumble and spill a container of beer in the paint, thus diluting the paint.

Obviously, there is not data to accurately solve this problem (with enough beer the problem actually goes away).

#4127753 - 06/02/15 05:39 AM Re: Easy math question [Re: CG2015]  
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wheelsup_cavu Offline
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Originally Posted By: CG2015
I sent the question to a couple of friend who are College and High School teachers, one of them being a mathematics teacher.

This is T's answer:

need to know some things first.....

1....are they workers or govt employees
2. will they be using brushes or a paint sprayer
3. what are the weather conditions? rainy, windy, etc
4. is this a one story or two story home?
5. will they have ladders or scaffolding?

and this is D's answer:

Indeed, once T's insightful expert questions are answered then more insightful expert questions can be asked to determine the solution. But in the meantime

1. Is there a cooler full of beer part of the scenario?
2. if so, then cans or bottles?
3. Is there a fair and equitable ratio of beer to painters?
4. What color is the paint?
5. Is the paint semi-gloss or gloss?
6. Is there so much beer present that there is a possibility that one of the painters will stumble and spill a container of beer in the paint, thus diluting the paint.

Obviously, there is not data to accurately solve this problem (with enough beer the problem actually goes away).

"(with enough beer the problem actually goes away)"

rofl


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#4127769 - 06/02/15 07:07 AM Re: Easy math question [Re: Timothy]  
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CG2015 Offline
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So I replied to T and D and said "it's a wonder if anyone passes your classes."

This is what they said:


D:

Quote:
1. The more failures in your class, the more paperwork, more phone calls to parents during your off time, the more explanations you have to make to administrators, the more defenses you have to make to justify failing a kid.
2. Considering #1, why would we fail anybody?
3. Just give True-False questions that are challenging, example: Is the United States part of America? Since it all depends on the student's perspective and background then either True or False is a correct answerand if the kid just guesses then how can a teacher know what is in the student's mind thus error on the positive and count as correct.

or give a multiple choice question, example: Is the United States part of America or is America part of the United States? Using the same criteria as the T-F question there is no wrong answer.

or give a short answer question, example: Is the United States part of America or is America part of the United States? Any attempt at an answer is correct since it is relative.

or give an essay question, example: Is the United States part of America or is America part of the United States (minimum one full page is required to get full credit)? If the student writes in gigantic letters that fill up a whole page then by the rubric the student gets full credit.


T:

Quote:
Or give the true false test with the answers already marked. Thereby not hurting anyone's ego and self esteem .


I see the American Educational System is working beautifully! No wonder China and India is beating us.

rolleyes

#4127819 - 06/02/15 12:08 PM Re: Easy math question [Re: Alicatt]  
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PanzerMeyer Online centaurian
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Originally Posted By: Alicatt
And the number of tea breaks if they are English wink


Ah, so US Southerners are just like the English then except they use beer instead of tea.


“Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.”
#4127877 - 06/02/15 01:44 PM Re: Easy math question [Re: Timothy]  
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Entil'zha
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Do you drink beer with your pinky up?



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The anteater is wearing the bagel because he's a reindeer princess. -- my 4 yr old daughter

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