document.write( "Question 424233: Robert has 50 coins, all in nickels and dimes, amounting to $3.50. How many nickels does he have?
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Algebra.Com's Answer #321995 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! n+d=50 \n" ); document.write( "5n+10d=350 \n" ); document.write( "5n+5d=250 \n" ); document.write( "5d=100 \n" ); document.write( "d=20 \n" ); document.write( "n=30 \n" ); document.write( "Robert has 30 nickels and 20 dimes.. \n" ); document.write( " |