SOLUTION: Please help me solve this problem: when l was 10yrs my sister was half my age, now l am 20yrs old, how old is my sister?

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Question 868605: Please help me solve this problem: when l was 10yrs my sister was half my age, now l am 20yrs old, how old is my sister?

Answer by ewatrrr(24785)   (Show Source): You can put this solution on YOUR website!

Hi
when l was 10yrs my sister was half my age (0r 5yrs old)
10 years later...sister is 15 yrs old
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