document.write( "Question 135381: Eva invested a certain amount of money at 10% interest and $15oo more tahn that amount at 11%. Her total yearly interest was $795. How much did she invest at each rate? \n" ); document.write( "
Algebra.Com's Answer #99206 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Eva invested a certain amount of money at 10% interest and $15oo more tahn that amount at 11%. Her total yearly interest was $795. How much did she invest at each rate? \n" ); document.write( "----------------- \n" ); document.write( "Let amt. invested at 10% be \"x\"; interest on this is 0.10x dollars \n" ); document.write( "------------------- \n" ); document.write( "Amt. invested at 11% is \"x+1500\"; interest is 0.11(x+1500)=0.11x+165 dollars \n" ); document.write( "------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "interest + interest = 795 dollars \n" ); document.write( "0.10x + 0.11x+165 = 795 \n" ); document.write( "0.21x = 630 \n" ); document.write( "x = $3000 (amt. invested at 10%) \n" ); document.write( "x+1500 + $4500 (amt. invested at 11%) \n" ); document.write( "-------------------------------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |