document.write( "Question 508877: cassidy is 3 times as old as drew. in 8 years cassidy will only be twice as old as drew. how old is cassidy right now?
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Algebra.Com's Answer #341150 by oberobic(2304)![]() ![]() ![]() You can put this solution on YOUR website! c= cassidy's current age \n" ); document.write( "c+8 = cassidy's age in 8 yr \n" ); document.write( ". \n" ); document.write( "d = drew's current age \n" ); document.write( "d+8 = drew's age in 8 yr \n" ); document.write( ". \n" ); document.write( "c = 3*d \n" ); document.write( ". \n" ); document.write( "c+8 = 2*(d+8) \n" ); document.write( ". \n" ); document.write( "substitute c = 3d \n" ); document.write( ". \n" ); document.write( "3d + 8 = 2d + 16 \n" ); document.write( ". \n" ); document.write( "d = 8 \n" ); document.write( ". \n" ); document.write( "c = 3(8) = 24 \n" ); document.write( ". \n" ); document.write( "Check the relationship in 8 years. \n" ); document.write( ". \n" ); document.write( "c+8 = 32 \n" ); document.write( "d+8 = 16 \n" ); document.write( "So c = 2d, which is correct. \n" ); document.write( ". \n" ); document.write( "Answer: Cassidy is 24; Drew is 8. \n" ); document.write( ". \n" ); document.write( "Done. \n" ); document.write( " |