document.write( "Question 29333: A securities broker advised a client to invest a total of $21,000 in bonds paying 12% interest and in certificates of deposit paying 5 1/4% interest. The annual income from these investiments was $2250. Find out how much was invested at each rate. \n" ); document.write( "
Algebra.Com's Answer #16184 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! x = amount invested at 12% \n" ); document.write( "21000 - x = amount invested at 5.25% \n" ); document.write( ".12x + .0525(2100-x) = 2250 \n" ); document.write( "1102.50 - .0525x = 2250 \n" ); document.write( ".0675x = 1147.5 \n" ); document.write( "x = 1147.5/.0675 \n" ); document.write( "x = 17000 invested at 12% \n" ); document.write( "21000-x = 4000 invested at 5.25% \n" ); document.write( "check \n" ); document.write( ".12(17000) + .0525(21000-17000) = 2250 \n" ); document.write( "2040 + 210 = 2250 \n" ); document.write( "2250 = 2250 \n" ); document.write( "OK \n" ); document.write( " |