document.write( "Question 986602: john has $1.80 made up of dimes and nickels. he has 3 more than nickels, how many dimes does he have ? \n" ); document.write( "
Algebra.Com's Answer #607394 by macston(5194)\"\" \"About 
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\n" ); document.write( "N=number of nickels; D=number of dimes
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\n" ); document.write( "D=N+3 Three more dimes than nickels.
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\n" ); document.write( "$0.05N+$0.10D=$1.80 Convert number of coins to dollar value.
\n" ); document.write( "$0.05N+$0.10(N+3)=$1.80
\n" ); document.write( "$0.05N+$0.10N+$0.30=$1.80
\n" ); document.write( "$0.15N=$1.50
\n" ); document.write( "N=10 He has 10 nickels
\n" ); document.write( "D=N+3=10+3=13
\n" ); document.write( "ANSWER: He has 13 dimes
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\n" ); document.write( "CHECK:
\n" ); document.write( "$0.05N+$0.10D=$1.80
\n" ); document.write( "$0.05(10)+$0.10(13)=$1.80
\n" ); document.write( "$0.50+$1.30=$1.80
\n" ); document.write( "$1.80=$1.80\r
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