document.write( "Question 201457: An investment of $4500 is made at an annual simple interest rate of 4.8%. How much additional money must be invested at an annual simple rate of 7% so that the total annual interest earned will be 6% of the total investment? \n" ); document.write( "
Algebra.Com's Answer #151686 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! .048(4500)+.07x=(4500+x).06 \n" ); document.write( "216+.07x=270+.06x \n" ); document.write( ".01x=54 \n" ); document.write( "x=5400 \n" ); document.write( "----------------- \n" ); document.write( "5400*.07=378 \n" ); document.write( "4500*.048=216 \n" ); document.write( "9900*.06=594 \n" ); document.write( " |