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primary 6 | Maths | Ratio
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SlyFox
SlyFox

primary 6 chevron_right Maths chevron_right Ratio chevron_right Singapore

Any please kindly help me with this question. Please use a simple method that is easy to understand. Please show the working clearly. Thank you! :)

Date Posted: 1 year ago
Views: 108

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shanice
Shanice's answer
2 answers (A Helpful Person)
1st
the concept is one fixed identity.so c:d is 2:1 and u know diana used 6 beads and diana used 8 beads. so c:d is 6:8 and since diana will be the same,2:1 times four to make it 8 so is 8:4. Easily now, 8-3=5, 5 units=70,1unit=70/5=14,4units=14 times 4=56 and 56/8 =7
answer
;7
SlyFox
SlyFox
1 year ago
May I ask where the 3 units come from when you have to do 8u-3u?
ᗩᒪ丅ᗴᖇᔕ丅ᗩᖇ
ᗩᒪ丅ᗴᖇᔕ丅ᗩᖇ
1 year ago
2u+1u