document.write( "Question 901164: A financial advisor invests some money in a municipal bond paying 3% annual interest and $5000 more than that amount in a certificate of deposit paying 4% annual interest. To earn $410 per year in interest, how much should he invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #546536 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x+y=5000, \n" ); document.write( "0.03*x+0.04*y=410 \n" ); document.write( "x=5000-y \n" ); document.write( "0.03*(5000-y)+0.04*y=410 \n" ); document.write( "150-0.03y+0.04*y=410 \n" ); document.write( "0.01*y=260 \n" ); document.write( "y=26000 at 4% \n" ); document.write( "x=5000-y \n" ); document.write( "x=-21000 at 3% \n" ); document.write( "check \n" ); document.write( "0.03*-21000+0.04*26000=410 \n" ); document.write( "-630+1040=410 \n" ); document.write( "410=410 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |