document.write( "Question 947635: Phyllis invested 35000 dollars, a portion earning a simple interest rate of 5 percent per year and the rest earning a simple interest rate of 6 percent per year. After one year the total interest earned on these investments was 1980 dollars. How much money did she invest at each rate?
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Phyllis invested 35000 dollars, a portion earning a simple interest rate of 5 percent per year and the rest earning a simple interest rate of 6 percent per year. After one year the total interest earned on these investments was 1980 dollars. How much money did she invest at each rate?
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\n" ); document.write( "Equation::
\n" ); document.write( "interest + interest = interest
\n" ); document.write( "0.05x + 0.06(35000-x) = 1980
\n" ); document.write( "5x + 6*35000 - 6x = 198000
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\n" ); document.write( "-x = -12000
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\n" ); document.write( "x = $12000 (amt. invested at 5%)
\n" ); document.write( "35000-x = $23000 (amt. invested at 6%)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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