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-   -   Math Problem with a Prize (https://www.yorkietalk.com/forums/off-topic-discussions/97185-math-problem-prize.html)

Monday 10-10-2007 08:18 PM
I could not resist this ...
 
Quote:
Originally Posted by love_me_cody (Post 1426604)
lol... I was thinking about this thread while skipping up the stairs and missed a step. I landed on my knees then I dropped down the next step... I had to look around to make sure nobody saw... I had to laugh at myself...

I cannot hold this in ...

PRIDE goeth before the fall ...

Monday 10-10-2007 09:03 PM
French and German problem to be solved ...
 
:icon5:In a class of 90 students; 41 are taking French, 22 are taking German
and 9 students are taking both French and German.

How many students are not enrolled in either course?:icon5:

remember now, PRIDE not PRIZE!!!!:star:

Gypsy & Me 10-11-2007 04:46 AM
Quote:
Originally Posted by Monday (Post 1426246)
Turn any switch "ON" for 5 minutes, then turn that switch off & quickly turn on 1 of the others "ON".

go back upstairs and touch the 2 lights that were "OFF"...
One of them will be hot b/c it was on for 5 minutes ...

Then you can see that the HOT bulb was controlled by the first swtich you turned "ON" ...

the light that is now on, is controlled by the last switch you turned "ON" ...


The COLD bulb that is "OFF" is controlled by the only switch left ...
Quote:
Originally Posted by crystalsmom
I remember that one from along time ago. hummmmm

I think you turn #1 on for a minute and turn it off and then turn #2 on. One will be hot, one will be on and one will be cold.
Both right but due to time difference I couldn't reply... :D

crystalsmom 10-11-2007 05:26 AM
Quote:
Originally Posted by love_me_cody (Post 1426614)
I wasn't smart. I just divided 1250 by 40.... And screw pride, I WANT A PRIZE!!!! Just kidding... Hey look: I rhymed! pride/prize. That is a rhyme right. Either way, it sounded like it! *..Doing the moonwalk..*
Prize with Pride is yours you silly kid. PM me with your name and address. How do you stay up so late and get to school?

crystalsmom 10-11-2007 05:31 AM
Monday (18):)

Monday 10-11-2007 06:10 AM
Quote:
Originally Posted by Monday (Post 1426668)
:icon5:In a class of 90 students; 41 are taking French, 22 are taking German
and 9 students are taking both French and German.

How many students are not enrolled in either course?:icon5:

Quote:
Originally Posted by crystalsmom (Post 1426895)
Monday (18):)
was this in answer to the above question???
If that is the case ...
NO!!! :sad:

crystalsmom 10-11-2007 06:26 AM
ooops 27 if they are counted in the original 41 and 22??

Can someone send me a prize. LOL

Monday 10-11-2007 06:28 AM
you could have gotten a *star*
 
Quote:
Originally Posted by love_me_cody (Post 1426614)
I wasn't smart. I just divided 1250 by 40.... And screw pride, I WANT A PRIZE!!!! Just kidding... Hey look: I rhymed! pride/prize. That is a rhyme right. Either way, it sounded like it! *..Doing the moonwalk..*
It will take 32 months. After 31 months, the new washing machine will have saved an amount ($1240) almost equal to its cost (31 months × $40 per month = $1240).
So it will take one more month to save more than the cost of the refrigerator (32 months × $40 per month = $1280).


Another way to solve this problem is to divide $1250 by $40/month, which gives 31.25 months.
but you needed a full month more to pay it ...:2omg:

Monday 10-11-2007 06:30 AM
Quote:
Originally Posted by crystalsmom (Post 1427017)
ooops 27 if they are counted in the original 41 and 22??

Can someone send me a prize. LOL
NOPE!!!! keep trying!
One more try and if you get it right, I will send you a prize

(but it goes against the rules, since you have been wrong twice ***sigh**)

crystalsmom 10-11-2007 06:35 AM
I'm leaving for a Dr's appt. I shall return. Wasn't the question how long will it take to equal the cost of the washing machine....don't have time to go back. See you all later.

Monday 10-11-2007 06:41 AM
hmmmmm
 
Quote:
Originally Posted by crystalsmom (Post 1427034)
I'm leaving for a Dr's appt. I shall return. Wasn't the question how long will it take to equal the cost of the washing machine....don't have time to go back. See you all later.
The Smiths' washing machine is old. It is so inefficient that it uses $40 more electricity each month than a new washing machine would use. The Smiths are thinking about buying a new washing machine for $1250 If the Smiths buy the new washing machine, how many months will it take for the savings on their energy bill to equal the cost of the new washing machine?


It will take 32 months. After 31 months, the new washing machine will have saved an amount ($1240) almost equal to its cost (31 months × $40 per month = $1240) So it will take one more month to save more than the cost of the washing machine (32 months × $40 per month = $1280).
Another way to solve this problem is to divide $1240 by $40/month, which gives 31.25 months.

After talking it over with my chief consultant (Monday) ... I'll let you have it ...you have a point there. :star:
but since we pay monthly ... it would take 32 months ... not a fraction of a month .I should have given you multiple choice answers to choose from .... but I cannot present a good argument for you NOT to have the right answer ...here have another star!!!! .:star:

Txgurl06 10-11-2007 06:43 AM
is the answer 135?


and is there 90 in each ?

Txgurl06 10-11-2007 06:44 AM
and if it isnt that then is it 126? lol

Monday 10-11-2007 06:47 AM
Quote:
Originally Posted by Txgurl06 (Post 1427045)
is the answer 135?


and is there 90 in each ?
NO! gotta go back to my classroom now ... be back later with the answer ....
*********************************************

:icon5: French and German problem to be solved ...
:icon5:In a class of 90 students; 41 are taking French, 22 are taking German
and 9 students are taking both French and German.

How many students are not enrolled in either course?:icon5:

Monday 10-11-2007 06:47 AM
Quote:
Originally Posted by Txgurl06 (Post 1427046)
and if it isnt that then is it 126? lol

No!!! be back in 45 minutes ...


In a class of 90 students; 41 are taking French, 22 are taking German
and 9 students are taking both French and German.
How many students are not enrolled in either course?

can't be MORE than 90 ....


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