document.write( "Question 993006: If Gerardo has 11 nickels and quarters in his pocket, and they have a combined value of 175 cents, how many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #807726 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! n = number of nickels \n" ); document.write( "q = number of quarters\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "n + q = 11 \n" ); document.write( "5n + 25q = 175\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply the first equation by 25.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "25n + 25q = 275 \n" ); document.write( "-(5n + 25q = 175) \n" ); document.write( "---------------------- \n" ); document.write( "20n = 100 \n" ); document.write( "n = 5\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Gerardo has 5 nickels and 6 quarters. \n" ); document.write( " |