document.write( "Question 1049474: Kims age is twice that of her sister.when you add kims age and her sisters age you get 36.how old is each sister? \n" ); document.write( "
Algebra.Com's Answer #665017 by addingup(3677)\"\" \"About 
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k+s = 36
\n" ); document.write( "k = 2s substitute for k above:
\n" ); document.write( "2s+s = 36
\n" ); document.write( "3s = 36
\n" ); document.write( "s = 12 and k = 2s so k = 2(12)= 24
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