document.write( "Question 737512: Mr. Carmona has a total of $1.05 in nickels and dimes. If he had three more nickels, then he'd have four times as many nickels as dimes. Find the number of nickels and dimes. \n" ); document.write( "
Algebra.Com's Answer #450414 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! \n" ); document.write( ".05N+.10D=1.05 \n" ); document.write( "N+3=4D \n" ); document.write( "N=4D-3 \n" ); document.write( ".05(4D-3)+.10D=1.05 \n" ); document.write( ".20D-.15+.10D=1.05 \n" ); document.write( ".30D=1.05+15 \n" ); document.write( ".30D=1.20 \n" ); document.write( "D=1.20/.30 \n" ); document.write( "D=4 NUMBER OF DIMES. \n" ); document.write( "N+3=4*4 \n" ); document.write( "N+3=16 \n" ); document.write( "N=16-3 \n" ); document.write( "N=13 NUMBER OF NICKLES. \n" ); document.write( "PROOF: \n" ); document.write( ".05*13+.10*4=1.05 \n" ); document.write( ".65+.40=1.05 \n" ); document.write( "1.05=1.05 \n" ); document.write( " |