document.write( "Question 440928: Tony is 20 years older than his sister Danielle. In 16 years he will be twice as old as her. how old is each of them now?\r
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Algebra.Com's Answer #304471 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! Tony=Danielle+20 \n" ); document.write( "T+16=2(D+16) \n" ); document.write( "D+20+16=2D+32 \n" ); document.write( "D+36=2D+32 \n" ); document.write( "D=4 \n" ); document.write( "T=24 \n" ); document.write( "Tony is 24. Danielle is 4.. \n" ); document.write( " \n" ); document.write( " |