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primary 6 Maths Ratio Singapore

Please help, thank you.

Date Posted: 5 years ago

Snell

5 years ago

M : N = 2 : 7
7M = 2N
M = 2N/7
M+N = 9N/7

Q : P = 1 : 2
2Q = P
P+Q = 3Q

M+N = P+Q
9N/7 = 3Q
3N = 7Q

N : Q = 7 : 3

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Date Posted: 5 years ago

Nicole

5 years ago

Thank you very much