document.write( "Question 632773: a woman has some stocks that yield 5% annually and some bonds that yield 10%. If her investment totals $6000 and her annual income from the investment is $400, how much does she have invested in stocks and how much in bonds? \n" ); document.write( "

Algebra.Com's Answer #398506 by mananth(16946) $\"\"$ $\"About$

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Stocks 5.00% per annum ------------- Amount invested =x
\n" ); document.write( "Bonds 10.00% per annum ------------ Amount invested = y
\n" ); document.write( " 6000
\n" ); document.write( "Interest----- 400
\n" ); document.write( "
\n" ); document.write( "Stocks 5.00% per annum ---x
\n" ); document.write( "Bonds 10.00% per annum ---y
\n" ); document.write( "Credit on both cards
\n" ); document.write( "x + 1 y= 6000 -------------1
\n" ); document.write( "Interestto be paid on both
\n" ); document.write( "5.00% x + 10.00% y= 400
\n" ); document.write( "Multiply by 100
\n" ); document.write( "5 x + 10 y= 40000.00 --------2
\n" ); document.write( "Multiply (1) by -5
\n" ); document.write( "we get
\n" ); document.write( "-5 x -5 y= -30000.00
\n" ); document.write( "Add this to (2)
\n" ); document.write( "0 x 5 y= 10000
\n" ); document.write( "divide by 5
\n" ); document.write( " y = 2000
\n" ); document.write( "Stocks 5.00% $ 4000
\n" ); document.write( "Bonds 10.00% $ 2000
\n" ); document.write( "
\n" ); document.write( "CHECK
\n" ); document.write( "4000 --------- 5.00% ------- 200.00
\n" ); document.write( "2000 ------------- 10.00% ------- 200.00
\n" ); document.write( "Total -------------------- 400.00
\n" ); document.write( "
\n" ); document.write( "m.ananth@hotmail.ca
\n" ); document.write( " \n" ); document.write( "

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