document.write( "Question 1080007: Mrs. Powell has $800 invested in stocks and $500 invested in a Certificate of Deposit. The CD has an interest rate two times greater than the stocks. If her annual interest on these two investments is $45, at what rate of interest is the $500 invested? \n" ); document.write( "
Algebra.Com's Answer #694296 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! Let n and 2n be the interest rates of the stocks and the CD, respectively. Then: \n" ); document.write( "800n+500(2n)=45 \n" ); document.write( "1800n=45 \n" ); document.write( "n=45/1800 or .025, which is 2.5%. Therefore, the CD rate is 5%. ☺☺☺☺ \n" ); document.write( " |