document.write( "Question 374520: sally has $1.50 worth of change in her pocket-all nickels and dimes. she has three times as many nickels as dimes. find the number of each. \n" ); document.write( "
Algebra.Com's Answer #266416 by checkley79(3341) ![]() You can put this solution on YOUR website! .05N+.10D=1.50 \n" ); document.write( "N=3D \n" ); document.write( ".05*3D+.10N=1.50 \n" ); document.write( ".15D+.10D=1.50 \n" ); document.write( ".25D=1.50 \n" ); document.write( "D=1.50/.25 \n" ); document.write( "D=6 DIMES. \n" ); document.write( "N=3*6=18 NICKELS. \n" ); document.write( "PROOF: \n" ); document.write( ".05*18+.10*6=1.50 \n" ); document.write( ".90+.60=1.50 \n" ); document.write( "1.50=1.50 \n" ); document.write( " |