document.write( "Question 53480: a person invested $10,000 .the greater part is invested at 6% and the remainer at 5% . the annual income from the greater part is $160 more than the annual income from the smaller part. what is the smaller part of this investment? i got $4,000 is this right \n" ); document.write( "
Algebra.Com's Answer #35715 by stanbon(75887)\"\" \"About 
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A person invested $10,000 .the greater part is invested at 6% and the remainer at 5% . the annual income from the greater part is $160 more than the annual income from the smaller part. what is the smaller part of this investment?
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\n" ); document.write( "6% investment DATA:
\n" ); document.write( "Let amount invested be \"x\" ; Interest on this money is 0.06x
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\n" ); document.write( "5% investment DATA:
\n" ); document.write( "Amount invested at 5% is \"10000-x\" ; interest on this money is
\n" ); document.write( "0.05(10000-x) = 500-0.05x
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\n" ); document.write( "\n" ); document.write( "EQUATION:
\n" ); document.write( "Assuming that \"x\" yields the smaller amount you get the follows:
\n" ); document.write( "500-0.05x=0.06x+160
\n" ); document.write( "0.11x=340
\n" ); document.write( "x=$3090.91 (amount invested at 6%)
\n" ); document.write( "10000-x = $6909.09 (amount invested at 5%)
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\n" ); document.write( "ANOTHER EQUATION:
\n" ); document.write( "If you assume 10000-x is the
\n" ); document.write( "Assuming that \"10000-x\" yields the smaller amount you get:
\n" ); document.write( "0.06x=500-0.05x+160
\n" ); document.write( "0.11x=660
\n" ); document.write( "x=$6000
\n" ); document.write( "10000-x= $4000\r
\n" ); document.write( "\n" ); document.write( "Since the greater part is invested at 6% the 2nd equation
\n" ); document.write( "is the applicable equation.
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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