sstrike's answer to QiQi's Primary 5 Maths Rate & Ratio Singapore question.
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Now
M : M's : D = 1 : 4 : 3 = 1 : 4 : 3
4 yrs later
M : M's : D = 1 : 2 : 1 = 3 : 6 : 3
3-1 = 6-4 = 2
4÷2 = 2
6×2 = 12 (Ans)
Now
M : M's : D = 1 : 4 : 3 = 1 : 4 : 3
4 yrs later
M : M's : D = 1 : 2 : 1 = 3 : 6 : 3
3-1 = 6-4 = 2
4÷2 = 2
6×2 = 12 (Ans)
Date Posted:
3 years ago
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