document.write( "Question 259908: How do you set this word problem up in algebra equation and solve for x?suzy invested part of her 12,000 bonus in fund that paid 10% pfofit and invested the rest in stock that suffered 3% loss find amt of each investment if her overall net profit was 550? \n" ); document.write( "
Algebra.Com's Answer #191369 by stanbon(75887) ![]() You can put this solution on YOUR website! suzy invested part of her 12,000 bonus in fund that paid 10% profit and invested the rest in stock that suffered 3% loss find amt of each investment if her overall net profit was 550 \n" ); document.write( "-------------------- \n" ); document.write( "Quantity Eq: x + y = 12000 \n" ); document.write( "Interest Eq:0.10x - (0.03)y = 550 dollars \n" ); document.write( "============================================= \n" ); document.write( "Multiply thru the 1st equation by 10. \n" ); document.write( "Multiply thru the 2nd equation by 100. \n" ); document.write( "--- \n" ); document.write( "10x + 10y = 120000 \n" ); document.write( "10x - 3y = 55000 \n" ); document.write( "--------------------------------- \n" ); document.write( "Subtract the 2nd Eq from the 1st and solve for \"y\" \n" ); document.write( "13y = 65000 \n" ); document.write( "y = $5000.00 (amt. that suffered a 3% loss) \n" ); document.write( "---------- \n" ); document.write( "Since x+y = 12000, x = $7000.00 (amt. that gained 10%) \n" ); document.write( "========================================================= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |