document.write( "Question 900503: Kelly has a collection of nickels, dimes and quarters with a total value of $4.70. There are 8 more dimes than nickels and 2 times more quarters than nickels, how many of each coin does she have? \n" ); document.write( "
Algebra.Com's Answer #546267 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! d=n+8, \n" ); document.write( "2n=q \n" ); document.write( "5*n+10*d+25*q=470\r \n" ); document.write( "\n" ); document.write( "5*n+10*(n+8)+25*2n=470 \n" ); document.write( "5n+10n+80+50n=470 \n" ); document.write( "65n=390 \n" ); document.write( "n=6 \n" ); document.write( "d=14 \n" ); document.write( "q=12 \n" ); document.write( "check \n" ); document.write( "5*n+10*(n+8)+25*2n=470 \n" ); document.write( "5*6+10*14+25*12=470 \n" ); document.write( "30+140+300=470 \n" ); document.write( "ok \n" ); document.write( " \n" ); document.write( " |