sstrike's answer to June's Primary 5 Maths Rate & Ratio Singapore question.
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7u-58+30 = 3u+28
u = (28+28)÷(7-3) = 14
10u = 14×10 = 140 (Ans)
u = (28+28)÷(7-3) = 14
10u = 14×10 = 140 (Ans)
Date Posted:
3 years ago
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