document.write( "Question 208039: Henry invested $12,000 in a new restaurant. When the restaurant was sold two years later, he received $27,000. Find his average annual return by solving the equation 12,000 (1+r)^2=27000 \n" ); document.write( "
Algebra.Com's Answer #157357 by rapaljer(4671)\"\" \"About 
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Divide both sides by 12000\r
\n" ); document.write( "\n" ); document.write( "(1+r)^2 = 27000/12000
\n" ); document.write( "(1+r)^2=9/4\r
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\n" ); document.write( "\n" ); document.write( "Take the square root of both sides:
\n" ); document.write( "1+r=3/2 or 1+r=-3/2 (reject negative answers!)
\n" ); document.write( "r=3/2-1
\n" ); document.write( "r=1/2
\n" ); document.write( "r=.50 = 50% -- Pretty good investment!!\r
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\n" ); document.write( "\n" ); document.write( "R^2
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