document.write( "Question 165428: Karen Smith bought two plots of land for a total of $120,000. When she sold the first plot, she made a profit of 15%. When she solde the second, she lost 10%. Her total profit was $5500. How much did she pay for each piece of land? \n" ); document.write( "
Algebra.Com's Answer #122050 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! two plots of land for a total of $120,000. When she sold the first plot, she made a profit of 15%. When she sold the second, she lost 10%. Her total profit was $5500. How much did she pay for each piece of land? \n" ); document.write( ": \n" ); document.write( "Let x amt paid for the 1st plot \n" ); document.write( "then \n" ); document.write( "(120000-x) = amt paid for the 2nd plot \n" ); document.write( ": \n" ); document.write( "Profit - loss = 5500 \n" ); document.write( ".15x - .10(120000-x) = 5500 \n" ); document.write( ": \n" ); document.write( ".15x - 12000 + .10x = 5500 \n" ); document.write( ": \n" ); document.write( ".15x + .10x = 5500 + 12000 \n" ); document.write( ": \n" ); document.write( ".25x = 17500 \n" ); document.write( "x = \n" ); document.write( "x = $70,000 for the 1st plot \n" ); document.write( ": \n" ); document.write( "Find the cost of the 2nd plot \n" ); document.write( "120000 - 70000 = $50,000 for the 2nd plot \n" ); document.write( ": \n" ); document.write( ": \n" ); document.write( "Check solution \n" ); document.write( ".15*70000 = 10,500 \n" ); document.write( ".10*50000 = -5,000 \n" ); document.write( "-------------------- \n" ); document.write( "total profit 5,500 \n" ); document.write( " |