document.write( "Question 987745: Sam has $1.55 in nickels dimes and quarters. He has 23 coins in all. How many coins of each kind does he have?
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Algebra.Com's Answer #608486 by macston(5194)\"\" \"About 
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\n" ); document.write( "N=number of nickels; Q=number of quarters
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\n" ); document.write( "N+Q=23
\n" ); document.write( "Q=23-N
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\n" ); document.write( "$0.05N+$0.25Q=$1.55
\n" ); document.write( "$0.05N+$0.25(23-N)=$1.55
\n" ); document.write( "$0.05N+$5.75-$0.25N=$1.55
\n" ); document.write( "-$0.20N=-$4.20
\n" ); document.write( "N=21
\n" ); document.write( "ANSWER 1: There are 21 nickels.
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\n" ); document.write( "Q=23-N=23-21=2
\n" ); document.write( "ANSWER 2: There are 2 quarters.
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\n" ); document.write( "CHECK:
\n" ); document.write( "$0.05N+$0.25Q=$1.55
\n" ); document.write( "$0.05(21)+$0.25(2)=$1.55
\n" ); document.write( "$1.05+$0.50=$1.55
\n" ); document.write( "$1.55=$1.55
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