document.write( "Question 954744: If you have 52 coins only nickels and quarters and they make up 8$ how many nickels and quarters will you have?\r
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Algebra.Com's Answer #583144 by macston(5194)![]() ![]() You can put this solution on YOUR website! N=nickels; Q=quarters \n" ); document.write( "N+Q=52 \n" ); document.write( "N=52-Q \n" ); document.write( "$0.05N+$0.25Q=$8 Substitute for N \n" ); document.write( "$0.05(52-Q)+$0.25Q=$8 \n" ); document.write( "$2.60-$0.05Q+$0.25Q=$8 Subtract $2.60 from each side. \n" ); document.write( "$0.20Q=$5.40 Divide each side by $0.20 \n" ); document.write( "Q=27 ANSWER 1: There were 27 quarters. \n" ); document.write( "N=52-Q=52-27=25 ANSWER 2: There were 25 nickels. \n" ); document.write( "CHECK: \n" ); document.write( "$0.05N+$0.25Q=$8 \n" ); document.write( "$0.05(25)+$0.25(27)=$8 \n" ); document.write( "$1.25+$6.75=$8 \n" ); document.write( "$8=$8 \n" ); document.write( " |