document.write( "Question 320229: Lee invests $10,000 in stocks and bonds. The stocks return 15% a year and the bonds return 10% a year. If the total return on the investment after one year is $1,100, how much did Lee invest each in stocks and bonds? \n" ); document.write( "
Algebra.Com's Answer #229346 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Lee invests $10,000 in stocks and bonds. The stocks return 15% a year and the bonds return 10% a year. If the total return on the investment after one year is $1,100, how much did Lee invest each in stocks and bonds?
\n" ); document.write( "--------------
\n" ); document.write( "Quantity Equation: s + b = 10,000
\n" ); document.write( "Interest Equation:0.15s + 0.10b = 1100
\n" ); document.write( "------------------------------------------------
\n" ); document.write( "Multiply thru 1st by 15;
\n" ); document.write( "Multiply thru 2nd by 100:
\n" ); document.write( "-------------------------------
\n" ); document.write( "15s + 15b = 15*10,000
\n" ); document.write( "15s + 10b = 110000
\n" ); document.write( "----------------------------
\n" ); document.write( "Subtract 2nd from 1st and solve for \"b\":
\n" ); document.write( "5b = 40,000
\n" ); document.write( "b = $8000 (amt. invested in bonds)
\n" ); document.write( "---
\n" ); document.write( "Since s + b = 10,000, s = $2000 (amt. invested in stocks)
\n" ); document.write( "=================================
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
\n" ); document.write( "=============== \n" ); document.write( "
\n" );