document.write( "Question 557477: in planning her retirement, lliza deposits some money at 4% interest, with twice as much deposited at 4.5%. find the amount deposited at each rate in the total annual interest income is 2340. \n" ); document.write( "
Algebra.Com's Answer #362625 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! If x = the smaller amount deposited and 2x = the larger amount, you can express the earnings on these two amounts, after converting the percentages to their decimal equivalents, as follows: \n" ); document.write( "0.04x+0.045(2x) = 2340 Simplify and solve for x. \n" ); document.write( "0.04x+0.09x = 2340 \n" ); document.write( "0.13x = 2340 \n" ); document.write( "x = 18000 and... \n" ); document.write( "2x = 36000 \n" ); document.write( "So Lliza(?) deposited 18,000 (dollars or pounds or...?) at 4% interest and 36,000 at 4.5% interest. \n" ); document.write( " |