document.write( "Question 22316: Neese has $7.80 in quaters and nickles. She has 44 coins in all. How many quaters does she have? solve this problem as many ways as you can and describe each method. \n" ); document.write( "
Algebra.Com's Answer #10817 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Let \"q\" be the number of quarters and \"n\" be the number of nickles. \n" ); document.write( "Then 25q is the value of the quarters and 5n is the value of the nickles. \n" ); document.write( "Equations: \n" ); document.write( " q + n = 44 (This is the quantity equation.) \n" ); document.write( " 25q + 5n = 780 (This is the value equation.)\r \n" ); document.write( "\n" ); document.write( "You may solve this system of equations by 1) substitution; 2)elimination; \n" ); document.write( "3)graphing 4)matrices or 4)Cramer's method.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " \n" ); document.write( " |