document.write( "Question 1033627: Nico is saving money for his college education. he invests some money at 9%, and $110 less than that amount at 7%. The investment produce a total of $259 interest in 1 yr. How much did he invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #648267 by JoelSchwartz(130)![]() ![]() ![]() You can put this solution on YOUR website! x=amount of money invested at nine percent interest \n" ); document.write( "y=amount of money invested at seven percent interest \n" ); document.write( "x+110=y \n" ); document.write( "259=.07y+.09x \n" ); document.write( "259=.07(x+110)+.09x \n" ); document.write( "259=.07x+7.7+.09x \n" ); document.write( "259=.16x+7.7 \n" ); document.write( "259-7.7=.16x \n" ); document.write( "251.3=.16x \n" ); document.write( "100*251.3=.16x*100 \n" ); document.write( "25,130=16x \n" ); document.write( "25,130/16=x \n" ); document.write( "x=1,570.625 \n" ); document.write( "y=1,680.625 \n" ); document.write( " |