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primary 6 | Maths | Data Analysis
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Brayden
Brayden

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

Please teach me. Thank you

Date Posted: 5 years ago
Views: 307
AC Lim
AC Lim
5 years ago
Mindy = 170
Johnny=30
Total = 200

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N.
N.'s answer
71 answers (A Helpful Person)
1st
Not sure if this will help, but I hope it does!
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Anupama Singla
Anupama Singla's answer
2 answers (Tutor Details)
Double if condition,:
1. make the equations
2. eliminate one variable
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Henry Tan
Henry Tan's answer
359 answers (A Helpful Person)
Model method.