document.write( "Question 552810: How do I set up this problem? \r
\n" ); document.write( "\n" ); document.write( "Mr. Fox invested a sum of money at 6%. He invested a second sum, $2000.00 less than this sum, at 5%. He invested third sum, which was $3000.00 less than the first sum, at 3%. His total annual income was $370.00. Find the amount he invested t each rate.
\n" ); document.write( "

Algebra.Com's Answer #360519 by mananth(16946)\"\" \"About 
You can put this solution on YOUR website!
percent Principal $
\n" ); document.write( "3.00 x-3000
\n" ); document.write( "6.00 x
\n" ); document.write( "5.00 x-2000 \r
\n" ); document.write( "\n" ); document.write( "Interest = 370 \r
\n" ); document.write( "\n" ); document.write( "3*(x-3000)+6x+5(x-2000)= 370*100\r
\n" ); document.write( "\n" ); document.write( "The percentages have been multiplied by 100 for easier calculation\r
\n" ); document.write( "\n" ); document.write( "3x-9000+6x+5x-10000 =37000
\n" ); document.write( "14x=19000+37000
\n" ); document.write( "14x= 56000
\n" ); document.write( "/14
\n" ); document.write( "x= 4000
\n" ); document.write( "$ 4000 at6%
\n" ); document.write( "$2000 at 5%
\n" ); document.write( "$1000 at 3%
\n" ); document.write( "
\n" );