document.write( "Question 699530: \n" ); document.write( "

Algebra.Com's Answer #431414 by khv_maths(12) $\"\"$ $\"About$

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That's mean you are 4 years old and your sister is $\"4%2F2\"$ years old. = 2 y.o
\n" ); document.write( "So, when you was 2, your sister should be $\"2%2F2\"$ years old. = 1 y.o
\n" ); document.write( "Back to question, you are 100 years old, so, your sister should be $\"100%2F2\"$ years old.
\n" ); document.write( "So, the answer is $\"50\"$ \n" ); document.write( "

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