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primary 6 | Maths
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Jery
Jery

primary 6 chevron_right Maths chevron_right Singapore

Please help me

Date Posted: 4 years ago
Views: 419
snell
Snell
4 years ago
7 books & 7 files cost 19+16 = $35

3 books & 3 files cost $15

so 1 book costs 19-15 = $4

5 books cost 4x5 = $20

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Yvonne Chua
Yvonne Chua's answer
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