document.write( "Question 97960: a teacher wants to earn $1,500 per year in supplemental income from a cash gift of $16,000. she puts $6,000 in a bank that pays 7% annual interest. What rate must she earn on the remainder to achive her goal\r
\n" );
document.write( "\n" );
document.write( "Thank you
\n" );
document.write( "Vanessa \n" );
document.write( "
Algebra.Com's Answer #71275 by edjones(8007)![]() ![]() You can put this solution on YOUR website! let x=rate of interest on the remainder. \n" ); document.write( "6000*.07+10000x=1500 \n" ); document.write( "420+1000x=1500 \n" ); document.write( "subtract 420 from each side. 10000x=1500-420 \n" ); document.write( "10000x=1080 \n" ); document.write( "divide 10000 into each side. x=1080/10000=.108=10.8% \n" ); document.write( "Check: \n" ); document.write( "420+10000*.108==420+1080=1500 \n" ); document.write( "Ed \n" ); document.write( " |