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primary 6 | Maths | Ratio
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JJ
JJ

primary 6 chevron_right Maths chevron_right Ratio chevron_right Singapore

Hi pls help

Date Posted: 1 year ago
Views: 139
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sstrike
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5604 answers (A Helpful Person)
1st
P6
Can try algebra
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sstrike
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5604 answers (A Helpful Person)
Alternative
LCM concept
3×7u=7×3u=21u

Each total
7u+3u=10u=120