Neo Yu Shan's answer to Jaynus Yeoh's Secondary 3 A Maths Singapore question.

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Neo Yu Shan
Neo Yu Shan's answer
276 answers (Tutor Details)
1st
hope this helps
Jaynus Yeoh
Jaynus Yeoh
5 years ago
Thank you very much...
Jaynus Yeoh
Jaynus Yeoh
5 years ago
How did you get Betty's age at the last part?...
Neo Yu Shan
Neo Yu Shan
5 years ago
betty’s age is denoted as y which has already been found before x was found.