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Secondary 1 | Maths
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Shyla
Shyla

Secondary 1 chevron_right Maths chevron_right Singapore

I am not sure how to even start this question. Both algebra or drawing model doesnt seem to work. There are too many variables.

Date Posted: 1 year ago
Views: 188

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Arnold K H Tan
Arnold K H Tan's answer
2147 answers (A Helpful Person)
Let y = number of girls in class 1A = number of boys in class 1A. If the there b number of boys in 1B, then boys in (1A + 1C) = 4b