document.write( "Question 1018765: Jane has $13.25 in nickels and quarters. If she has 165 coins in all< how many of each type of coin does she have??
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Algebra.Com's Answer #634788 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! Hi there, \n" ); document.write( "Make nickels = x \n" ); document.write( "quarters = y \n" ); document.write( "x + y = 165............(1) \n" ); document.write( "5x + 25y = 1325.......(2) \n" ); document.write( "Multiply (1) by 5 \n" ); document.write( "5x + 5y = 825 ..........(1) \n" ); document.write( "5x + 25y = 1325........(2) \n" ); document.write( "Subtract (1) from (2) \n" ); document.write( "....20y = 500 \n" ); document.write( "......y = 500/20 \n" ); document.write( "......y = 25 \n" ); document.write( "Substitute y = 25 into (1) \n" ); document.write( "x + y = 165 .....(1) \n" ); document.write( "x + 25 = 165 \n" ); document.write( "x = 165 - 25 \n" ); document.write( "x = 140. \n" ); document.write( "Jane has 140 nickels and 25 quarters \n" ); document.write( "Hope this helps :-) \n" ); document.write( " \n" ); document.write( " |