document.write( "Question 308251: Kevin invested money in a savings account at a rate of 5% simple interest. After one year, he has $4347.00 in the account. How much did Kevin originally invest?
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\n" ); document.write( "\n" ); document.write( "I don't under stand the simple interest formula?!?!
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Algebra.Com's Answer #220432 by mananth(16946)\"\" \"About 
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Kevin invested money in a savings account at a rate of 5% simple interest. After one year, he has $4347.00 in the account. How much did Kevin originally invest?
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\n" ); document.write( "\n" ); document.write( "if he invests 100 he has 105 at the end of the year\r
\n" ); document.write( "\n" ); document.write( "he has $4347 after 1 year\r
\n" ); document.write( "\n" ); document.write( "4347 *100 / 105
\n" ); document.write( "= $4140 \r
\n" ); document.write( "\n" ); document.write( "He originally invested $ 4140
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