Willy Sim's answer to Cindy's Primary 5 Maths question.
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Hope this helps
Date Posted:
6 years ago
May i know why the 2nd model is not the reverse of 1st model? Why the 2nd $40 only half unit?
Thank you.
Thank you.
Since Sam spend $80 each day and tony spend $40 each day, which is half of what Sam spend, so by the time Sam finished, tony would have spent only half of what Sam have. Hope this explains.
Sam have the same amount of money, which is represented by the bar, it is how much tony had spent after Sam spent all his money.
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