document.write( "Question 1047137: Olive wants to invest dollar-sign Baseline 15 Number , 000 with the goal of earning 10 % interest. She wants to put some of the money in an investment that has been earning 7 % a year and the rest of the money in an investment that typically earns 11 % a year. How much money should be invested at 11 % interest for Olive to obtain her goal of an overall 10 % interest? \n" ); document.write( "
Algebra.Com's Answer #662676 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Olive wants to invest 15,000 with the goal of earning 10 % interest. She wants to put some of the money in an investment that has been earning 7 % a year and the rest of the money in an investment that typically earns 11 % a year. How much money should be invested at 11 % interest for Olive to obtain her goal of an overall 10 % interest? \n" ); document.write( "S + E = 15000 dollars \n" ); document.write( "0.07S + 0.11E = 0.10*15000 \n" ); document.write( "------ \n" ); document.write( "7S + 7E = 7*15000 \n" ); document.write( "7S + 11E = 10*15000 \n" ); document.write( "-------------------------- \n" ); document.write( "Subtract and solve for \"E\":: \n" ); document.write( "4E = 3*15000 \n" ); document.write( "E = $11250 (amt. to invest at 11%) \n" ); document.write( "S = 15000-11250 = $2750 (amt. to invest at 7%) \n" ); document.write( "----------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "-------------\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |