document.write( "Question 844077: Rene is twice as old as Dana.
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document.write( "Four years ago, Rene was three times as old as Dana.\r
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document.write( "How old are Rene and Dana now? Show work\r
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document.write( "Write an algebraic expression to tell how old Rene is if Dana is d year old. Explain how you figured it out. \n" );
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Algebra.Com's Answer #508535 by nanakwame(5)![]() ![]() You can put this solution on YOUR website! Dana=d \n" ); document.write( "Rene=2b \n" ); document.write( "4 years ago \n" ); document.write( "Dana=d-4 \n" ); document.write( "Rene=2d-4 \n" ); document.write( "if Rene's age was 3 times older than that of Rene then 3ˇÁDana's age=Rene's age at that time \n" ); document.write( "so 2d-4=3(d-4) \n" ); document.write( "2d-4=3d-12 \n" ); document.write( "12-4=3d-2d \n" ); document.write( "d=8 \n" ); document.write( "so Dana's age is 4years \n" ); document.write( "Rene's age is 36years \n" ); document.write( "if Dana's age is d \n" ); document.write( "Rena's age is 2d \n" ); document.write( " |