document.write( "Question 824274: Merry had $20,000to invest. She invested part of this money in bonds paying 10% annual simple interest and the rest of the money in a saving account giving 5%annual interest. At the end of the year she received $1,800 as extra income How much money did merry place in the savings account? \n" ); document.write( "

Algebra.Com's Answer #496234 by stanbon(75887) $\"\"$ $\"About$

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Merry had $20,000to invest. She invested part of this money in bonds paying 10% annual simple interest and the rest of the money in a saving account giving 5%annual interest. At the end of the year she received $1,800 as extra income How much money did merry place in the savings account?
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\n" ); document.write( "Quantity:: t + f = 20,000 dollars
\n" ); document.write( "Interest:: 10t +5f = 180000 dollars
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\n" ); document.write( "Modify for elimination:
\n" ); document.write( "10t + 10f = 200000
\n" ); document.write( "10t + 5f = 180000
\n" ); document.write( "--------
\n" ); document.write( "Subtract and solve for \"f\":
\n" ); document.write( "5f = 20,000
\n" ); document.write( "t = $4000 (amt. invested at 10%)
\n" ); document.write( "----
\n" ); document.write( "t + f = 20,000
\n" ); document.write( "t = $16,000 (amt. invested at 10%)
\n" ); document.write( "==============
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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