document.write( "Question 906026: Please help me solve this word problem. A college professor wants to supplement her retirement income with investment interest. If she invests $15,000 at 6% annual interest, how much more would she have to invest at 7% to achieve a goal of $1,250 in supplemental income? \n" ); document.write( "
Algebra.Com's Answer #549660 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! .06*15000+.07*x=1250 \n" ); document.write( "900+.07*x=1250 \n" ); document.write( ".07*x=350 \n" ); document.write( "x=350/.07 \n" ); document.write( "x=5000 \n" ); document.write( "check \n" ); document.write( ".06*15000+.07*5000=1250 \n" ); document.write( "900+350=1250 \n" ); document.write( "1250=1250 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |