document.write( "Question 1036309: The problem in the book says. A portion of $100,000 (x) was invested with a return of 3 percent after one year. The remainder if the investment (y) was invested with a return of 1 percent. The total return on the investment was $1800. It wants to know how much money was invested at a 3 percent rate of return... I don't understand how to figure it out \n" ); document.write( "
Algebra.Com's Answer #650967 by stanbon(75887)\"\" \"About 
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The problem in the book says. A portion of $100,000 (x) was invested with a return of 3 percent after one year. The remainder if the investment (y) was invested with a return of 1 percent. The total return on the investment was $1800. It wants to know how much money was invested at a 3 percent rate of return... I don't understand how to figure it out
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\n" ); document.write( "Equations:
\n" ); document.write( "Quantity Eq:::t + o = 100,000
\n" ); document.write( "Interest Eq:::0.03t + 0.01o = 1800
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\n" ); document.write( "Modify for elimination::
\n" ); document.write( "t + o = 100,000
\n" ); document.write( "3t + o = 180000\r
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\n" ); document.write( "Subtract and solve for \"t\":
\n" ); document.write( "2t = 80000
\n" ); document.write( "t = $40,000 (amt. invested at 3%)
\n" ); document.write( "o = 100,000- 40,000 = $60,000 (amt. invested at 1%)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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