document.write( "Question 729443:
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document.write( "yvette goes to the local bank to get $ 20 in quarters, dimes and nickels to use in her restaurant. She gets twice as many quarters as dimes and 10 more nickels than dimes. How many of each type of coin does she get? \n" );
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Algebra.Com's Answer #445888 by checkley79(3341)![]() ![]() ![]() You can put this solution on YOUR website! Q=2D \n" ); document.write( "N=D+10 \n" ); document.write( ".25Q+.10D+.05N=20.00 \n" ); document.write( ".25(2D)+.10D+.05(D+10)=20.00 \n" ); document.write( ".50D+.10D+.05D+.5=20.00 \n" ); document.write( ".65D=20.00-.50 \n" ); document.write( ".65D=19.50 \n" ); document.write( "D=19.50/.65 \n" ); document.write( "D=30 NUMBER OF DIMES. \n" ); document.write( "Q=2*30=60 NUMBER OF QUARTERS. \n" ); document.write( "N=30+10=40 NUMBER OF NICKLES. \n" ); document.write( "PROOF: \n" ); document.write( ".25*60+.10*30+.05*40=20.00 \n" ); document.write( "15.00+3.00+2.00=20.00 \n" ); document.write( "20.00=20.00 \n" ); document.write( " \n" ); document.write( " |