Eric Nicholas K's answer to Celia's Primary 6 Maths Data Analysis Singapore question.
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If Sally's old age is x, then Mig Li's old age is 2 times x = 2x.
Then, Sally's present age is 2x while Ming Li's present age is 2x + 5.
Then, Sally's present age is 2x while Ming Li's present age is 2x + 5.
Date Posted:
6 years ago
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