document.write( "Question 900219: You invested $7000 in two accounts paying 7% and 6% annual interest, respectively. If the total interest earned for the year was $433, Let x denote the amount of money invested at 7%. Find an expression in terms of x for the amount invested at 6%. \n" ); document.write( "
Algebra.Com's Answer #545832 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! x+y=7000, \n" ); document.write( "0.07*x+0.06*y=433 \n" ); document.write( "x=7000-y \n" ); document.write( "0.07*(7000-y)+0.06*y=433 \n" ); document.write( "490-0.07y+0.06*y=433 \n" ); document.write( "-0.01*y=-57 \n" ); document.write( "y= 5700 \n" ); document.write( "x=7000-y \n" ); document.write( "x=1300 \n" ); document.write( "check \n" ); document.write( "0.07*1300+0.06*5700=433 \n" ); document.write( "91+342=433 \n" ); document.write( "433=433 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |