document.write( "Question 123702: Jill has $3.50 in nickels and dimes.If she has 50 coins ,how many of each type of coin does she have? \n" ); document.write( "
Algebra.Com's Answer #90754 by checkley71(8403)\"\" \"About 
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N+D=50 OR N=50-D
\n" ); document.write( ".05N+.10D=3.50
\n" ); document.write( ".05(50-D)+.10D=3.50
\n" ); document.write( "2.5-.05D+.10D=3.50
\n" ); document.write( ".05D=3.50-2.50
\n" ); document.write( ".05D=2
\n" ); document.write( "D=1/.05
\n" ); document.write( "D=20 NUMBER OF DIMES.
\n" ); document.write( "N+20=50
\n" ); document.write( "N=50-20
\n" ); document.write( "N=30 NUMBER OF NICKELS.
\n" ); document.write( "PROOF
\n" ); document.write( ".05*30+.10*20=3.50
\n" ); document.write( "1.5+2=3.5
\n" ); document.write( "3.5=3.5
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