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primary 6 | Maths | Fractions
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Mandy
Mandy

primary 6 chevron_right Maths chevron_right Fractions chevron_right Singapore

Help, Help ..........Tks

Date Posted: 1 month ago
Views: 20
snell
Snell
1 month ago
nos.
b: 33 u
g: 33 u - 6
total: 66 u - 6

bus
b: 21 u
g: 11 u - 2
total: 32 u - 2

33 u - 3 = 32 u - 2
u = 1

no. of girls is 33-6 = 27


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Wei Jie
Wei Jie's answer
51 answers (A Helpful Person)
1st
Hope this helps!
Since 7units of B + 1unit of G = 1/2, the remaining units are = 1/2 as well.
Mandy
Mandy
1 month ago
HI, 4B + 2G, do not take bus, Am I right to say? Tks
Wei Jie
Wei Jie
1 month ago
Yes correct
Mandy
Mandy
1 month ago
May i know how to get 9 ?
Wei Jie
Wei Jie
1 month ago
Since 1G=3B, and there are 3G, to make the units of the same size, you change into 3x3=9 units
Mandy
Mandy
1 month ago
It seems the equation does not link. Take bus should not link with those who did not take bus. Am i right?
Wei Jie
Wei Jie
1 month ago
Take bus = 1/2
Did not take bus = 1/2
Take bus = did not take bus
Mandy
Mandy
1 month ago
Thank a lot.