document.write( "Question 911237: Please help me solve this problem. A student has 2 loans totalling $12,000. One of the loans is at 6% and the other is at 9%. If the total interest for both loans for a year is $855. What is the amount of each loan? \n" ); document.write( "
Algebra.Com's Answer #552937 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! Total amount of money invested: $12000 \n" ); document.write( "x+y=12000, \n" ); document.write( "Total yearly interest for the two accounts is: $855 \n" ); document.write( "0.06*x+0.09*y=855 \n" ); document.write( "x=12000-y \n" ); document.write( "Substitute for x \n" ); document.write( "0.06*(12000-y)+0.09*y=855 \n" ); document.write( "Multiply out \n" ); document.write( "720-0.06*y+0.09*y=855 \n" ); document.write( "Combine like terms. \n" ); document.write( "0.03*y=135 \n" ); document.write( "Isolate y \n" ); document.write( "y=$4500.00 at 9% \n" ); document.write( "x=12000-y \n" ); document.write( "Calculate x \n" ); document.write( "x=$7500.00 at 6% \n" ); document.write( "Check \n" ); document.write( "0.06*7500+0.09*4500=855 \n" ); document.write( "450+405=855 \n" ); document.write( "855=855 \n" ); document.write( "If this statement is TRUE and neither x nor y is negative then all is well \n" ); document.write( "code int1 \n" ); document.write( " \n" ); document.write( " |