Chua Tze Ren's answer to James's Secondary 3 E Maths Singapore question.

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Chua Tze Ren
Chua Tze Ren's answer
15 answers (Tutor Details)
Hope this helps! To solve this question, it's important to understand HOW the two equations were formed (explained in pencil). Note that since question didn't ask for how many people bought $3 tickets, there is no need to waste additional time to solve for b.