document.write( "Question 803268: Alex has saved $8.80 in in nickels dimes and quarters. If he has 4 nickels fewer than 3 times the number of dimes and one quarter more than 3/4 the number of dimes. How many coins of each type does he have? \n" ); document.write( "
Algebra.Com's Answer #484231 by lwsshak3(11628)![]() ![]() ![]() You can put this solution on YOUR website! Alex has saved $8.80 in in nickels dimes and quarters. If he has 4 nickels fewer than 3 times the number of dimes and one quarter more than 3/4 the number of dimes. How many coins of each type does he have? \n" ); document.write( "*** \n" ); document.write( "let x=number of dimes \n" ); document.write( "3x-4=number of nickels \n" ); document.write( "(3/4)x+1=number of quarters \n" ); document.write( "... \n" ); document.write( ".10x+.05(3x-4)+.25(3x/4+1)=8.80 \n" ); document.write( ".10x+.15x-.20+.75x/4+.25=8.80 \n" ); document.write( "LCD:4 \n" ); document.write( ".40x+.60x-.80+.75x+1.00=35.20 \n" ); document.write( "1.75x+.20=35.20 \n" ); document.write( "1.75x=35.00 \n" ); document.write( "x=20 \n" ); document.write( "number of dimes=20 \n" ); document.write( "number of nickels=56 \n" ); document.write( "number of quarters=16 \n" ); document.write( " |