document.write( "Question 901216: Equal amounts are invested at 2%, 7%, and 9% annual interest. If the three investments yield a total of $774 annual interest, find the total investment. \n" ); document.write( "
Algebra.Com's Answer #546572 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
0.02*x+0.07*x+0.09*x=774
\n" ); document.write( ".18x=774
\n" ); document.write( "x=4300 total investment\r
\n" ); document.write( "\n" ); document.write( "
\n" ); document.write( "
\n" );