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Thank you!
Not a good method. Primary 4 students would not have learnt a Secondary 2 method of forming two simultaneous equations in two variables x and y (in fact, they only learn algebra in Primary 6).
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Hope this helps too
Date Posted:
4 years ago
Thank you!
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Ans is 30
Date Posted:
4 years ago
1 unit = 1 ticket
Thank you!