AC Lim's answer to Chris's Primary 5 Maths Whole Numbers Singapore question.
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His mother 38 now
Ten years ago = 38-10=28
Ten years ago Raj : Mother = 1:7
Mother 7u = 28
1 u = 28/7
1 u = 4 years old
Hence, Raj was 4 years old ten years ago.
Ten years ago = 38-10=28
Ten years ago Raj : Mother = 1:7
Mother 7u = 28
1 u = 28/7
1 u = 4 years old
Hence, Raj was 4 years old ten years ago.
Date Posted:
4 years ago
Thank you so much
Thank you.
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