document.write( "Question 852695: At what rate percent compound interest does a sum of money become 2.25 times of itself in 2 years?
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Algebra.Com's Answer #513589 by ewatrrr(24785) $\"\"$ $\"About$

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document.write( "Hi,
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document.write( " A/P = 2.25, n = 1
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document.write( "2.25 = (1+r)^2     (Tossing out the negative solution for unit measure) 
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document.write( " 1.5 = (1+r)
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document.write( "  .5 = r \n" );
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