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primary 5 | Maths | Fractions
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Serene
Serene

primary 5 chevron_right Maths chevron_right Fractions chevron_right Singapore

Please help with workings. Thanks!

Date Posted: 6 months ago
Views: 42
Bubu
Bubu
6 months ago
To make 2 units equate to the 7 units make both to 14 and will hence be 14/35 and 14/18
S:J
35:18

2/7 * 35 = 10
Plus 10 for S and minus 10 for J
S:J :total
25:28: 53

Another représentation :
S:J :total
5:6: 11
(since S remain the same we want S to be 25)
S:J :total
25: 30 : 55
55 - 53 = 2
2 units = 6
30 units = 6*15= 90

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Yanlin
Yanlin's answer
3 answers (A Helpful Person)
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