Jun Heng's answer to Jo's Primary 6 Maths Ratio Singapore question.

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Jun Heng
Jun Heng's answer
37 answers (Tutor Details)
1st
Q : P = 3 : 4
R : P = 1 : 2 = 2 : 4
Q : P : R : Total = 3 : 4 : 2 : 9
Area of rectangle = 34×9 = 306cm²