Joshua Chan's answer to Siti Alawiyah's Primary 4 Maths Singapore question.
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Let the number of marbles they had at first (the blue model) be x. After they bought new marbles, (the purple model), the total marbles Harry had was 3 times as many as Lionel’s. So Harry’s model is 3 units. Lionel’s model is 1 unit.
Date Posted:
3 years ago
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