document.write( "Question 1087402: Dave is 6 years old his sister is half his age when he is 100 years old how old will the sister be \n" ); document.write( "

Algebra.Com's Answer #701685 by josmiceli(19441) $\"\"$ $\"About$

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The difference in their ages never changes.
\n" ); document.write( "Dave is 6
\n" ); document.write( "His sister is 3
\n" ); document.write( "The difference is $\"+3+\"$ yrs
\n" ); document.write( "---------------
\n" ); document.write( "When Dave is 100
\n" ); document.write( "His sister will be $\"+100+-+3+=+97+\"$ \n" ); document.write( "

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