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)\"\" \"About 
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( "
\n" );