Dawn's answer to Trisha's Primary 4 Maths Singapore question.
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Eight years ago,
R = 3N
R + 8 + N + 8 = 76
3N + 8 + N + 8 = 76
4N = 60
N = 15
Now, Nurul is 15 + 8 = 23 years old
R = 3N
R + 8 + N + 8 = 76
3N + 8 + N + 8 = 76
4N = 60
N = 15
Now, Nurul is 15 + 8 = 23 years old
Date Posted:
5 years ago
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