document.write( "Question 1121176: each year a student uses the interest earned a two separate investment to help pay for college cost. the annual interest rates are 11% and 13%. of the total amount interest is 15,200 and the total interest earned per year is 1,840, how much is invested at 11% rate? \n" ); document.write( "
Algebra.Com's Answer #736954 by josgarithmetic(39618)\"\" \"About 
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\n" ); document.write( ".. the annual interest rates are 11% and 13%. of the total amount interest is 15,200 and the total interest earned per year is 1,840, how much is invested at 11% rate?
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\n" ); document.write( "\n" ); document.write( "Invest x and y in each account
\n" ); document.write( "\"x%2By=1520\"\r
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\n" ); document.write( "\n" ); document.write( "Total one-year interest:
\n" ); document.write( "\"0.11x%2B0.13y=1840\"\r
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\n" ); document.write( "\n" ); document.write( "Question asks for x.
\n" ); document.write( "\"0.11x%2B0.13%281520-x%29=1840\"\r
\n" ); document.write( "\n" ); document.write( "\"0.11x%2B0.13%2A1520-0.13x=1840\"\r
\n" ); document.write( "\n" ); document.write( "\"-0.02x=1840-%280.13%29%281520%29\"\r
\n" ); document.write( "\n" ); document.write( "\"-0.02x=1642.4\"IMPOSSIBLE\r
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\n" ); document.write( "\n" ); document.write( "You can recheck the steps shown for any mistakes; otherwise something is wrong with your problem description.
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