document.write( "Question 1006406: Ron has 15 coins with a value of $2.55. The coins are nickels and quarters. How many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #622559 by ikleyn(52852) You can put this solution on YOUR website! . \n" ); document.write( "Ron has 15 coins with a value of $2.55. The coins are nickels and quarters. How many of each coin does he have? \n" ); document.write( "--------- \n" ); document.write( "q + n = 15 \n" ); document.write( "25q + 5n = 255 \n" ); document.write( "----------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "I also can solve it using the mental math only:\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "q = \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n = 15 - 9 = 6 nickels.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "See the lesson Solving coin problems without using equations in this site.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |