Arnold K H Tan's answer to Wan Yu Liow's Secondary 3 E Maths question.
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![Arnold K H Tan](https://manytutors.s3.ap-southeast-1.amazonaws.com/users/thumbnail-XFdUwuCTIMxoSX1TmzJ25N0fpObIZMvHPt1t7XdO.jpeg)
Also in your original question... use Camscanner to post clearer pictures.
Date Posted:
6 years ago
You've made a careless mistake there, it's supposed to be 70x not 75x
sorry but thank you