document.write( "Question 977488: Stephanie invested a total of $11,000 in two accounts. After a year, one account lost 8.6% , while the other account gained 2.6% . In total, Stephanie lost $722 . How much money did Stephanie invest in each account? \n" ); document.write( "
Algebra.Com's Answer #599113 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Total amount of money invested: $11000 \n" ); document.write( "x+y=11000, \n" ); document.write( "Total yearly interest for the two accounts is: $-722 \n" ); document.write( "0.026*x-0.086*y=-722 \n" ); document.write( "x=11000-y \n" ); document.write( "Substitute for x \n" ); document.write( "0.026*(11000-y)-0.086*y=-722 \n" ); document.write( "Multiply out \n" ); document.write( "286.0-0.026*y-0.086*y=-722 \n" ); document.write( "Combine like terms. \n" ); document.write( "-0.112*y=-1008.0 \n" ); document.write( "Isolate y \n" ); document.write( "y=9000.0 \n" ); document.write( "y=$ 9000.00 loses $774.0 interest at 8.6% \n" ); document.write( "x=11000-y \n" ); document.write( "Calculate x \n" ); document.write( "x=$ 2000.00 at 2.6% earns $52.0 interest \n" ); document.write( "Check \n" ); document.write( "0.026*2000.0-0.086*9000.0=-722 \n" ); document.write( "52.0-774.0=-722 \n" ); document.write( "-722.0=-722 \n" ); document.write( "If -722.0=-722 is TRUE then all is well \n" ); document.write( "codeintposneg \n" ); document.write( " \n" ); document.write( " |