document.write( "Question 129380: A boy has a bag of quarters and dimes that equal 60 coins also total $7.00 how many quarters does he have \n" ); document.write( "
Algebra.Com's Answer #94501 by stanbon(75887) ![]() You can put this solution on YOUR website! A boy has a bag of quarters and dimes that equal 60 coins also total $7.00 how many quarters does he have \n" ); document.write( "------------------- \n" ); document.write( "Let # of quarters be \"x\" ; value is 25x cents \n" ); document.write( "--------- \n" ); document.write( "# of dimes is \"60-x\" ; value is 10(60-x) = 600-10x cents \n" ); document.write( "------------ \n" ); document.write( "EQUATION: \n" ); document.write( "value + value = 700 cents \n" ); document.write( "25x + 600-10x = 700 \n" ); document.write( " 15x = 100 \n" ); document.write( "x = 20/3 \n" ); document.write( "------- \n" ); document.write( "Comment: x cannot be 20/3; it must be a whole number if \n" ); document.write( "if is the number of quarters. Please check your data. \n" ); document.write( "============= \n" ); document.write( "Cheers, \n" ); document.write( "Stan H.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |