document.write( "Question 216279: If Ben invests $4000 at 4% interest per year, how much additional money must he invest at 5.5% annual interest to ensure that the interest he receive each year is 4.5 of the total amount invested? \n" ); document.write( "
Algebra.Com's Answer #163337 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
.055x+.04*4,000=.045(4,000+x)
\n" ); document.write( ".055x+160=180+.045x
\n" ); document.write( ".055x-.045x=180-160
\n" ); document.write( ".01x=20
\n" ); document.write( "x=20/.01
\n" ); document.write( "x=2,000 needs to be invested @ 5.5%.
\n" ); document.write( "Proof:
\n" ); document.write( ".055*2,000+.04*4,000=.045(4,000+2,000)
\n" ); document.write( "110+160=.045*6,000
\n" ); document.write( "270=270
\n" ); document.write( "
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