document.write( "Question 161116: Gloria has some change in her wallet that is made up of nickels and dimes. There are 4 more nickels than dimes. The value of the soins is $2.60. Using a system of equations, find the number of nickels Gloria has in her walllet. \n" ); document.write( "
Algebra.Com's Answer #118690 by checkley77(12844) ![]() You can put this solution on YOUR website! .10D+.05(D+4)=2.60 \n" ); document.write( ".10D+.05D+.20=2.60 \n" ); document.write( ".15D=2.60-20 \n" ); document.write( ".15D=2.40 \n" ); document.write( "D=2.40/.15 \n" ); document.write( "D=16 DIMES \n" ); document.write( "16+4=20 NICKLES. \n" ); document.write( "PROOF: \n" ); document.write( ".10*16+.05*20=2.60 \n" ); document.write( "1.60+1.00=2.60 \n" ); document.write( "2.60=2.60 \n" ); document.write( " |