document.write( "Question 165520: How can $5400 be invested, part of it at 8% and the rest of it invested at 10%, so that the two investments will produce the same amount of interst? \n" ); document.write( "
Algebra.Com's Answer #122119 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! .08x=.10(5400-x) \n" ); document.write( ".08x=540-.10x \n" ); document.write( ".08x+.10x=540 \n" ); document.write( ".18x=540 \n" ); document.write( "x=540/.18 \n" ); document.write( "x=$3,000 invested @ 8%. \n" ); document.write( "5,400-3,000=$2,400 invested @ 10%. \n" ); document.write( "Proof: \n" ); document.write( ".08*3,000=.10*2,400 \n" ); document.write( "240=240 \n" ); document.write( " |