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primary 6 | Maths | Fractions
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primary 6 chevron_right Maths chevron_right Fractions chevron_right Singapore

Na

Date Posted: 2 years ago
Views: 450

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Catherine Hii
Catherine Hii's answer
17 answers (Tutor Details)
1st
Hope it helps you.
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sstrike
Sstrike's answer
5377 answers (A Helpful Person)
algebra
sstrike
Sstrike
2 years ago
wg → 3u
B : G : wg = 1b : 3u-1b : 3u

wog → 10u-3u = 7u
B : G : wog = 2b : 3(3u-1b) : 7u

2b + 3(3u-1b) = 7u ⇨
1b = 2u
3b = 6u

3b/total = ⁶⁄₁₀ = ⅗ (Ans)
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sstrike
Sstrike's answer
5377 answers (A Helpful Person)
this one is no need algebra
try to fig out the difference