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primary 6 | Maths | Geometry
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Candy
Candy

primary 6 chevron_right Maths chevron_right Geometry chevron_right Singapore

Pls help. Tks

Date Posted: 2 months ago
Views: 36
snell
Snell
2 months ago
after A gave B
A: 3u
B: 11u

11u = 3u + 264
u = 33

so
after A gave B
A: 99
B: 363

90% = 99
100% = 110

hence
at first
A: 110
B: 363 - (110-99) = 352

(a)
ratio = 110 : 352 = 5 : 16

(b)
at first, Alvin has $110


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Matthew
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