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Primary 4 | Maths
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Mohamad Nurhisham
Mohamad Nurhisham

Primary 4 chevron_right Maths

Please help

Date Posted: 6 years ago
Views: 279

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Adam Smith
Adam Smith's answer
58 answers (A Helpful Person)
1st
Here you go.
Mohamad Nurhisham
Mohamad Nurhisham
6 years ago
Thanks for the great answer
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Yeo Wan Xian
Yeo Wan Xian's answer
5 answers (Tutor Details)
Form the equations relating to the girls according to their weight, such that Janet is 4.5kg more than S (J = 4.5 + S) and Mei Ling is 2 times heavier than Janet (ML = 2J). The total weight of the girls would be 173.9 (ML + J + S). From there, substitute in Mei Ling's weight and Janet's weight such that the only unknown left is Siti's weight and from there remove any access weight and divide it accordingly.