document.write( "Question 129850: Michael purchased a Wayne Gretzkey rookie card for $3.50 in 1985. In 2008 the card is worth $58.19. What was the annual rate of appreciation ?
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document.write( "I think the answer is 1.3% ???? \n" );
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Algebra.Com's Answer #94851 by oscargut(2103) You can put this solution on YOUR website! You have to solve:\r \n" ); document.write( "\n" ); document.write( "n=23 (years)\r \n" ); document.write( "\n" ); document.write( "3.5(1+x)^23=58.19 \n" ); document.write( "then (1+x)^23=16.626 \n" ); document.write( "then 1+x=1.13 then x=0.13 \n" ); document.write( "then annual rate is 13%\r \n" ); document.write( "\n" ); document.write( "R: annual rate = 13% \n" ); document.write( " |