Jason Low Cheng Xuan's answer to Clair's Primary 6 Maths Speed Singapore question.
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Hello Clair!
Note that this is an escalator ( the escalator is moving even if the boys - Daniel and Micheal don't walk up on the escalator on their own , so I labelled the speed of the escalator 'x').
Jia you!
Note that this is an escalator ( the escalator is moving even if the boys - Daniel and Micheal don't walk up on the escalator on their own , so I labelled the speed of the escalator 'x').
Jia you!
Date Posted:
2 years ago
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