document.write( "Question 604283: Jenny is three times as old as Sarah. In 12 years Jenny will be twice as old as Sarah is in 12 years. How old is each now? \n" ); document.write( "
Algebra.Com's Answer #381064 by flame8855(424)\"\" \"About 
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j = 3s
\n" ); document.write( "j+12 = 2(s+12)
\n" ); document.write( "j+12 = 2s+24
\n" ); document.write( "3s+12 = 2s +24
\n" ); document.write( "s =12
\n" ); document.write( "j = 36
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