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primary 5 | Maths
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Wanie
Wanie

primary 5 chevron_right Maths chevron_right Singapore

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Date Posted: 1 month ago
Views: 23
snell
Snell
1 month ago
mass
needles: u
pins: 2u

pins + box = 120 g
2u + box = 120

needles + box = 79 g
u + box = 79

u = 41

box = 79-41 = 38 g

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Elis
Elis's answer
13 answers (A Helpful Person)
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here u go!