document.write( "Question 640283: After inheriting some money, a man wants to invest enough to have annual income of $5,000. If he can invest $20,000 at 9% interest, how much more will have to be invested at 7% in order to reach the goal? \n" ); document.write( "
Algebra.Com's Answer #403121 by sachi(548)![]() ![]() You can put this solution on YOUR website! let him invest x at 7% \n" ); document.write( "so the annual income \n" ); document.write( "x*7%+20000*9%=5000 \n" ); document.write( "or 7x+180000=5000*100=500000 \n" ); document.write( "or x= (500000-180000)/7=4574.29 ans \n" ); document.write( " |