why 1.1?

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i solve the task but i dont understand why return i * 1.1; how 1.1 How did you get 1.1 in detail?

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Level 4 , United States

6 September 2021, 20:30

thanks you both.

Level 16 , United States of America

5 September 2021, 15:08

1个数100% 增加10% 100%+10%=1.1

Level 16 , United States of America

5 September 2021, 15:05

（100+10）%=1.1