document.write( "Question 67607: Harvey has 12 coins in quarters and dimes, worth $1.80. How many dimes does he have? \n" ); document.write( "
Algebra.Com's Answer #48106 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Harvey has 12 coins in quarters and dimes, worth $1.80. How many dimes does he have? \n" ); document.write( "------------- \n" ); document.write( "Let number of quarters be \"x\"; Value of these is 25x cents. \n" ); document.write( "Number of dimes is 12-x; Value of these is 10(12-x)=120-10x cents \n" ); document.write( "------------ \n" ); document.write( "EQUATION: \n" ); document.write( "value + value = 180 cents \n" ); document.write( "25x + 120-10x = 180 \n" ); document.write( "15x=60 \n" ); document.write( "x=4 (number of quarters) \n" ); document.write( "12-x=8 (number of dimes) \n" ); document.write( "Cheers, \n" ); document.write( "Stan H> \n" ); document.write( " |