document.write( "Question 958582: The number of quarters that Tina has is 3 times the number of nickels. She has $5.60 in all. How many coins of each type does she have? \n" ); document.write( "
Algebra.Com's Answer #585884 by macston(5194)\"\" \"About 
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N=nickels; Q=quarters=3N
\n" ); document.write( "$0.05N+$0.25Q=$5.60 Substitute for Q.
\n" ); document.write( "$0.05N+$0.25(3N)=$5.60
\n" ); document.write( "$0.05N+$0.75N=$5.60
\n" ); document.write( "$0.80N=$5.60 Divide each side by $0.80.
\n" ); document.write( "N=7 ANSWER 1: There are 7 nickels
\n" ); document.write( "Q=3N=3(7)=21 ANSWER 2: There are 21 quarters.
\n" ); document.write( "CHECK:
\n" ); document.write( "$0.05N+$0.25Q=$5.60
\n" ); document.write( "$0.05(7)+$0.25(21)=$5.60
\n" ); document.write( "$0.35+$5.25=$5.60
\n" ); document.write( "$5.60=$5.60
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