ONG PAN HAO GERALD's answer to Azfer's Primary 5 Maths Whole Numbers Singapore question.

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ONG PAN HAO GERALD
Ong Pan Hao Gerald's answer
9 answers (Tutor Details)
1st
Reverse thinking is needed.

In the end, if the boy gets double from what he gets from the start, it means, at the start, he gets half of what he gets at the end.