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primary 5 | Maths | Whole Numbers
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jayden
Jayden

primary 5 chevron_right Maths chevron_right Whole Numbers chevron_right Singapore

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Date Posted: 2 years ago
Views: 338
sstrike
Sstrike
2 years ago
in the end
A : B = 1:1 = 1u:1u

at first
A : B = 4:1 = 4u+40 : 1u+10

for A
4u+40 - 1u = 46
u = 2

4u+40
= 4×2+40 = 48 (Ans)

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sstrike
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5377 answers (A Helpful Person)
1st
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