document.write( "Question 1015362: I have 26 coins, all nickels and dimes. Their total value is $2.25. How many of each coin do I have? \n" ); document.write( "
Algebra.Com's Answer #631736 by macston(5194)\"\" \"About 
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\n" ); document.write( "N=nickels; D=dimes
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\n" ); document.write( "N+D=26
\n" ); document.write( "D=26-N
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\n" ); document.write( "$0.05N+$0.10D=$2.25 . Substitute for D from above.
\n" ); document.write( "$0.05N+$0.10(26-N)=$2.25
\n" ); document.write( "$0.05N+$2.60-$0.10D=$2.25
\n" ); document.write( "-$0.05N=-$0.35
\n" ); document.write( "N=7
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\n" ); document.write( "ANSWER 1: You have 7 nickels.
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\n" ); document.write( "D=26-N=26-7=19
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\n" ); document.write( "ANSWER 2: You have 19 dimes.$0.05N+$0.10D=$2.25
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\n" ); document.write( "CHECK:
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\n" ); document.write( "$0.05N+$0.10D=$2.25
\n" ); document.write( "$0.05(7)+$0.10(19)=$2.25
\n" ); document.write( "$0.35+$1.90=$2.25
\n" ); document.write( "$2.25=$2.25
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