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primary 6 | Maths | Ratio
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capicapipi
Capicapipi

primary 6 chevron_right Maths chevron_right Ratio chevron_right Singapore

Please explain

Date Posted: 2 years ago
Views: 332

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Lau Guan Yih
Lau Guan Yih's answer
59 answers (Tutor Details)
1st
Let me know if there is any parts you do not understand, I will try to explain in simpler terms
capicapipi
Capicapipi
2 years ago
thanks for the detailed workings, really appreciate it! i do understand but at P6 level, is this the only way?
Lau Guan Yih
Lau Guan Yih
2 years ago
Unfortunately, for this particular question, I could not find a simpler solution other than algebra to explain this.
Maybe if I have another solution I will come back to post it.
I have tried using Ratio to no avail and Trail & Error takes too long.
The algebra here involves forming your own equation which at a P6 level can be a little difficult to understand. But once the concept is understood, you will find that many tough questions can be approached in a similar fashion.
capicapipi
Capicapipi
2 years ago
ahh i see, i used ratio to organise the fractions. i also thought of using algebra but was checking if there’s an easier way. thanks for your replies though!
Lau Guan Yih
Lau Guan Yih
2 years ago
Yes, because it involved subtraction, it is difficult to break it down to ratio and quantify them.

It is very helpful to have a strong foundation in Algebra as early as possible in any case. Algebra will be a very big part of secondary school and much more complicated.
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sstrike
Sstrike's answer
5563 answers (A Helpful Person)
sstrike
Sstrike
2 years ago
in case u dont want to use algebra method

CONCEPT
total unchanged - internal transfer
capicapipi
Capicapipi
2 years ago
Ahh I tried using that concept but was confused, this makes much more sense. Thank you!
sstrike
Sstrike
2 years ago
welm