document.write( "Question 998755: Kevin has half of his investments in stock paying a 9% dividend and the other half in a stock paying 11% interest. If his total annual interest is $780, how much does he have invested? \n" ); document.write( "
Algebra.Com's Answer #616494 by Boreal(15235)\"\" \"About 
You can put this solution on YOUR website!
x=1/2 his investment
\n" ); document.write( ".09x+.11x=780
\n" ); document.write( "Multiply everything by 100
\n" ); document.write( "9x+11x=78000
\n" ); document.write( "20x=78000
\n" ); document.write( "x=3900
\n" ); document.write( "He has $7800 invested.
\n" ); document.write( "The average return is 10%, and the product is $780.
\n" ); document.write( "
\n" );