document.write( "Question 1198963: Frank invests $3500 dollars into an account earning interest compounded quarterly. After 10 years there is $5050 in the account. What was the interest rate? \n" ); document.write( "
Algebra.Com's Answer #832798 by josgarithmetic(39617)\"\" \"About 
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10 years as quarterly periods means 40 compounding periods.
\n" ); document.write( "r for yearly rate means \"r%2F4\" for quarterly rate.\r
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\n" ); document.write( "\n" ); document.write( "\"3500%281%2Br%2F4%29%5E40=5050\"\r
\n" ); document.write( "\n" ); document.write( ".\r
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\n" ); document.write( "\"1%2Br%2F4=1.00920776\"\r
\n" ); document.write( "\n" ); document.write( "\"r%2F4=0.00920776\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28r=0.0368%29\"
\n" ); document.write( "or 3.68%
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