document.write( "Question 406398: Phyllis invested 23000 dollars, a portion earning a simple interest rate of 4 percent per year and the rest earning a rate of 6 percent per year. After one year the total interest earned on these investments was 1120 dollars. How much money did she invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #286773 by rfer(16322)![]() ![]() ![]() You can put this solution on YOUR website! 0.04x+0.06(23000-x)=1120 \n" ); document.write( "0.04x+1380-0.06x=1120 \n" ); document.write( "-0.02x=-260 \n" ); document.write( "x=13,000 at 4% \n" ); document.write( "23000-x=10,000 at 6% \n" ); document.write( " |