document.write( "Question 905410: i have a jar with 95 coins in it
\n" ); document.write( "they are quarters and nickles
\n" ); document.write( "the total of the coins adds up to $13.75
\n" ); document.write( "How many of each?
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Algebra.Com's Answer #549180 by richwmiller(17219)\"\" \"About 
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n+q=95,
\n" ); document.write( "0.05*n+0.25*q=13.75
\n" ); document.write( "n=95-q
\n" ); document.write( "0.05*(95-q)+0.25*q=13.75
\n" ); document.write( "4.75-0.05q+0.25*q=13.75
\n" ); document.write( "0.2*q=9.0
\n" ); document.write( "q=45.0
\n" ); document.write( "n=95-q
\n" ); document.write( "n=50 at 0.05 and q=45 at 0.25
\n" ); document.write( "check
\n" ); document.write( "50+45=95
\n" ); document.write( "0.05*n+0.25*q=13.75
\n" ); document.write( "0.05*50+0.25*45=13.75
\n" ); document.write( "2.5+11.25=13.75
\n" ); document.write( "13.75=13.75
\n" ); document.write( "ok
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