document.write( "Question 632315: Nico is saving money for his college education. He invests some money at 8%, and $1200 less than that amount at 5%. The investments produced a total of $174 interest in 1 year. How much did he invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #398189 by mananth(16946)![]() ![]() You can put this solution on YOUR website! 8%--------------- x \n" ); document.write( "5% x-1200\r \n" ); document.write( "\n" ); document.write( "Interest = 174\r \n" ); document.write( "\n" ); document.write( "8%x+(x-1200)*5%= 174\r \n" ); document.write( "\n" ); document.write( "multiply equation by 100\r \n" ); document.write( "\n" ); document.write( "8x+5(x-1200)= 17400\r \n" ); document.write( "\n" ); document.write( "8x+5x-6000=17400\r \n" ); document.write( "\n" ); document.write( "13x= 17400+6000\r \n" ); document.write( "\n" ); document.write( "13x= 23400\r \n" ); document.write( "\n" ); document.write( "x=1800\r \n" ); document.write( "\n" ); document.write( "Investment @ 8% = $1800 \n" ); document.write( "Investment at 5% = 1800-1200 = 600 \n" ); document.write( " |