document.write( "Question 900059: Juanita has 28,000 to invest in two accounts that pay simple interest on an annual basis. One account pays 5% in simple interest and the other account pays 2%. How much would she have to invest in each account to earn a total interest of $830.00 after one year? \n" ); document.write( "
Algebra.Com's Answer #545759 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x+y=28000, \n" ); document.write( "0.05*x+0.02*y=830 \n" ); document.write( "x=28000-y \n" ); document.write( "0.05*(28000-y)+0.02*y=830 \n" ); document.write( "1400-0.05y+0.02*y=830 \n" ); document.write( "-0.03*y=-570 \n" ); document.write( "y= 19000 \n" ); document.write( "x=28000-y \n" ); document.write( "x=9000 \n" ); document.write( "check \n" ); document.write( "0.05*9000+0.02*19000=830 \n" ); document.write( "450+380=830 \n" ); document.write( "830=830 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |