document.write( "Question 677773: When i was 2years old,my sister was half my age and now an 100years. How old is my sister \n" ); document.write( "
Algebra.Com's Answer #421048 by jim_thompson5910(35256)\"\" \"About 
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\"When i was 2years old,my sister was half my age\"\r
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\n" ); document.write( "\n" ); document.write( "So she was 1 when you were 2. This means your sister is always 1 year younger than you.\r
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\n" ); document.write( "\n" ); document.write( "So when you're 100, she is 99.
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