document.write( "Question 386427: Last year, Evelina invested $10,000.00, part at 6% annual interest and part at 8% annual interest. If she received $760.00 in interest at the end of the year, how much did she invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #273174 by mananth(16946)![]() ![]() You can put this solution on YOUR website! Last year, Evelina invested $10,000.00, part at 6% annual interest and part at 8% annual interest. If she received $760.00 in interest at the end of the year, how much did she invest at each rate? \n" ); document.write( "... \n" ); document.write( "Total $10,000.00, \n" ); document.write( "at 6% --------------$x \n" ); document.write( "at 8% --------------$10000-x \n" ); document.write( "annual interestreceived $760.00 \n" ); document.write( "... \n" ); document.write( "6x+8(10,000-x)=760*100 \n" ); document.write( ".. \n" ); document.write( "6x+80,000-8x=76,000 \n" ); document.write( "-2x+80,000=76,000 \n" ); document.write( "-2x=-80,000+76,000 \n" ); document.write( "-2x=-4,000 \n" ); document.write( "/-2 \n" ); document.write( "x=$2000 @ 6% \n" ); document.write( "$8,000 @ 8% \n" ); document.write( "... \n" ); document.write( "m.ananth@hotmail.ca \n" ); document.write( " |