document.write( "Question 996107: part of 100,000.00 invested at 5% and the rest at 6%. if the income from both invesment is 5,400.00. how much invested at each rate?
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Algebra.Com's Answer #614676 by macston(5194)\"\" \"About 
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\n" ); document.write( "F=amount at 5%; S=amount at 6%
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\n" ); document.write( "F+S=100000
\n" ); document.write( "F=100000-S
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\n" ); document.write( "0.05F+0.06S=5400
\n" ); document.write( "0.05(100000-S)+0.06S=5400
\n" ); document.write( "5000-0.05S+0.06S=5400
\n" ); document.write( "0.01S=400
\n" ); document.write( "S=40000
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\n" ); document.write( "F=100000-S=100000-40000=60000
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\n" ); document.write( "ANSWER: 60000 was invested at 5% and 40000 was invested at 6%.
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\n" ); document.write( "0.05F+0.06S=5400
\n" ); document.write( "0.05(60000)+0.06(40000)=5400
\n" ); document.write( "3000+2400=5400
\n" ); document.write( "5400=5400
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