Russell Chew's answer to Lele's Primary 6 Maths Data Analysis Singapore question.
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Here you go! Hope you find this helpful :)
I used algebra to solve this, find X 10 years ago and just add back 20 to find the total age now
I used algebra to solve this, find X 10 years ago and just add back 20 to find the total age now
Date Posted:
3 months ago
Thank you so much
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