Grace Weng's answer to Putra Aiman's Primary 6 Maths Percentage question.

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Grace Weng
Grace Weng's answer
4 answers (Tutor Details)
1st
After 1 min, Sharon is 20m in front of Xinyi.
After 2 min, Sharon is 40m in front of Xinyi.
You have to calculate after how many minutes is Sharon 280m in front of Xinyi.