document.write( "Question 718947: If I have a dollar ninety five made of quarters and nickels and only have 15 coins how many quarters do I have? \n" ); document.write( "
Algebra.Com's Answer #441159 by josgarithmetic(39626) ![]() You can put this solution on YOUR website! q for quarters n for nickels\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "q+n=15 and 0.25q+0.05n=1.95. Divide this second equation by 5 and then multiply by 100 to have 5q+n=39.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Your system to solve can be: \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Solve for q and n.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer: 7 quarters and 8 nickels. \n" ); document.write( " |