document.write( "Question 215007: You have 15 coins in your pocket that are either quarters or nickles. the total $2.75. how many of each coin do you have? \n" ); document.write( "
Algebra.Com's Answer #162481 by checkley77(12844)\"\" \"About 
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Q+N=15 Q=15-N
\n" ); document.write( ".25Q+.05N=2.75
\n" ); document.write( ".25(15-N)+.05N=2.75
\n" ); document.write( "3.75-.25N+.05N=2.75
\n" ); document.write( "-.2N=2.75-3.75
\n" ); document.write( "-.2N=-1.000
\n" ); document.write( "N=-1.00/-.2
\n" ); document.write( "N=5 NUMBER OF NICJLES.
\n" ); document.write( "Q+5=15
\n" ); document.write( "Q=15-5
\n" ); document.write( "Q=10 NUMBER OF QUARTERS.
\n" ); document.write( "PROOF:
\n" ); document.write( ".25*10+.05*5=2.75
\n" ); document.write( "2.50+.25=2.75
\n" ); document.write( "2.75=2.75
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