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secondary 4 | E Maths
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lee
Lee

secondary 4 chevron_right E Maths chevron_right Singapore

need help for 7a

Date Posted: 4 years ago
Views: 428

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Terence Lim
Terence Lim's answer
20 answers (Tutor Details)
1st
quite similar to what you posted just now, its always like this:

Find total number of events happening (this one is the purchases)
Find total number of things/people

Form 2 equations and solve. this one quite tricky because they use frequency( i dont think uve heard dis word in math) but essentially u multiply frequency with the number of purchases to get the total. got qns feel free to ask