
By: fanny6573 (offline) Wednesday, July 11 2012 @ 09:21 PM CDT (Read 2010 times)



fanny6573 
Hi
Could anyone help to solve the question?
Please refer to teh attachment.

Junior
Registered: 07/19/10 Posts: 28





By: echeewh (offline) Thursday, July 12 2012 @ 03:28 AM CDT



echeewh 
Hey Fanny,
I have some doubts working on this question here as it doesnt come down with a good value.
1. Can you advise me where this question comes from?
2. Do you already have the answerkey for this?
3. Do you know if there are editing changes made to the question?
Take this statement , for instance.
The amount of money Nathan has is 1/3 of the total amount of money Tom and Caleb have.
Shouldn't this be :
The amount of money Nathan has is 1/3 of the total amount of money Tom, Min and Caleb have.
Difference between the 2 statements is the latter is giving a proportion of one child to the remaining children.
Greatly appreciate that you can clarify soon.
Thank you ,
Edward

Active Member
Registered: 04/21/11 Posts: 627





By: fanny6573 (offline) Thursday, July 12 2012 @ 08:28 PM CDT



fanny6573 
Dear Edward
The question is from Rosyth SA1 2011, paper 1, Q12. My daughter suspects that the question may have an error.

Junior
Registered: 07/19/10 Posts: 28





By: fanny6573 (offline) Thursday, July 12 2012 @ 11:01 PM CDT



fanny6573 
Dear Edward
You are right, there are editing changes made to the question.
The complete question is:
Four children min, nathan,tom and caleb each have some savings. the amount of money Nathan has is 1/3 of the total amount of money,Tom,Min and Caleb have.The amount of money Tom has is 1/4 of the total amount of money Nathan,Min and Caleb have.The amount of money Min has is 1/5 of the total amount of money Nathan,Tom and Caleb have.If caleb saves $1035,how much do the four children have altogether?.
The answer is $2700.

Junior
Registered: 07/19/10 Posts: 28





By: echeewh (offline) Friday, July 13 2012 @ 05:27 PM CDT



echeewh 
Hey Fanny,
Yes, the worked solution from the Answerkey provided is based on your reedited question. This is a typical kind of question for Unchanged Total which I have come across a number of times.
However, I thought the setters might tweak this question a little.
Anyway, see if your daughter wants to try the following:
Use the original question from the paper (without the reedited changes). The only thing to change is the amount that Caleb saves, as in , If Caleb saves $1303.50, how much do the four children have altogether?. Try this with a twist
Cheers,
Edward

Active Member
Registered: 04/21/11 Posts: 627





By: fanny6573 (offline) Saturday, July 14 2012 @ 08:00 AM CDT



fanny6573 
Dear Edward
The answer is it $2,844?

Junior
Registered: 07/19/10 Posts: 28





By: echeewh (offline) Saturday, July 14 2012 @ 07:45 PM CDT



echeewh 
Hello Fanny,
Bingo!!, Great .. you got it
I was thinking at first the question would be something like this.... Anyway , good to know ur gal knows her stuff .. and all the very best to her coming Prelims.
Cheers,
Edward

Active Member
Registered: 04/21/11 Posts: 627



