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primary 6 | Maths | Percentage
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riz
Riz

primary 6 chevron_right Maths chevron_right Percentage chevron_right Singapore

Please help, this was rlly tough

Date Posted: 4 years ago
Views: 441

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JY
Jy's answer
9 answers (Tutor Details)
JY
JY
4 years ago
When you start part (b), you need to remember that number of male participant is equal to the female participants before 40 males left and 60 females joined. So the addition of the two changes will form the number which is excess compared to the male participants (1 unit).
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Joshua Chan
Joshua Chan's answer
40 answers (A Helpful Person)
1st
Hello, this is part 1. Can try drawing out the model, it is easier than looking at ratios alone. Hope it helps!
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Joshua Chan
Joshua Chan's answer
40 answers (A Helpful Person)
Hello, using models again. Try to form equations from the model and info given and found in the previous part. Hope it helps!