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Primary 4 | Maths
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Akid
Akid

Primary 4 chevron_right Maths chevron_right Singapore

Help pls

Date Posted: 5 years ago
Views: 304

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Woo Kai Ling
Woo Kai Ling's answer
3 answers (Tutor Details)
1st
need to see that the difference in spending is also equivalent to the difference in money they have at the start. this is equals to the number of money per unit.