document.write( "Question 112469: An investment of $5000 is made at an annual simple interest rate of 5.3%. How much additional money must be invested at an annual simple interest rate of 8.5% so that the total interest earned is 6.5% of the total investment? \n" ); document.write( "
Algebra.Com's Answer #82220 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! An investment of $5000 is made at an annual simple interest rate of 5.3%. How much additional money must be invested at an annual simple interest rate of 8.5% so that the total interest earned is 6.5% of the total investment? \n" ); document.write( ": \n" ); document.write( "Let x = additional amt invested at 8.5% \n" ); document.write( "Therefore: \n" ); document.write( "The resulting amt = (x+5000) \n" ); document.write( ": \n" ); document.write( "The interest equation: \n" ); document.write( ".053(5000) + .085x = .065(x + 5000) \n" ); document.write( ": \n" ); document.write( "Can you solve this now? \n" ); document.write( " |