document.write( "Question 916243: kevin invest $4000 in a simple interest account for five years. What interest must the account pay to make sure that he has $5500 at the end of five years? \n" ); document.write( "
Algebra.Com's Answer #555976 by ewatrrr(24785)\"\" \"About 
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I = 1500 = 4000r(5yr)
\n" ); document.write( "\"100%281500%2F20000%29\" = r = 7.5%
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