document.write( "Question 1002117: A lady went to bank with Rs.100,000. She asked the cashier to give her Rs. 500 and Rs.1000 currency notes in return. She got 175 currency notes in all. Find the number of each kinf of currency notes with her. \n" ); document.write( "
Algebra.Com's Answer #619103 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Set up two equations \n" ); document.write( "x + y = 175........(1) \n" ); document.write( "500x + 1000y = 100,000......(2) \n" ); document.write( "Multiply Equation (1) by 500 \n" ); document.write( "500x + 500y = 87,500.......(1) \n" ); document.write( "500x + 1000y = 100,000......(2) \n" ); document.write( "Subtract Equation (1) from (2) \n" ); document.write( "......500y = 12,500 \n" ); document.write( ".........y = 25 \n" ); document.write( "Substitute y = 25 in Equation (1) \n" ); document.write( "x + y = 175........(1) \n" ); document.write( "x + 25 = 175 \n" ); document.write( "x = 175 - 25 \n" ); document.write( "x = 150 \n" ); document.write( "The lady was given:- \n" ); document.write( "150 x Rs500 notes \n" ); document.write( "25 x Rs1000 notes \n" ); document.write( "Hope this helps :-) \n" ); document.write( " |