Jiayang's answer to Linhnhi Nguyen's Secondary 4 A Maths question.

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Jiayang
Jiayang's answer
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Linhnhi Nguyen
Linhnhi Nguyen
6 years ago
Thanks a lot but i dont get it how u get the 1.2 & 1.1
Jiayang
Jiayang
6 years ago
10% more: 100% + 10% = 1.1
20% more: 100% + 20% = 1.2

This is like a primary 6/secondary 1 concept. You've got lots of brushing up to do (you're in secondary 4 I presume). Don't give up :)