document.write( "Question 908299: A coin bank contains twenty four nickels and quarters. The coins have a total value of $3.20. Find the number of nickels and the numbers of quarters in the bank \n" ); document.write( "
Algebra.Com's Answer #550950 by richwmiller(17219)\"\" \"About 
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n+q=24,
\n" ); document.write( "0.05*n+0.25*q=3.2
\n" ); document.write( "n=24-q
\n" ); document.write( "0.05*(24-q)+0.25*q=3.2
\n" ); document.write( "1.2-0.05q+0.25*q=3.2
\n" ); document.write( "0.2*q=2.0
\n" ); document.write( "q=10.0
\n" ); document.write( "n=24-q
\n" ); document.write( "n=14 at 0.05 and q=10 at 0.25
\n" ); document.write( "check
\n" ); document.write( "14+10=24
\n" ); document.write( "0.05*n+0.25*q=3.2
\n" ); document.write( "0.05*14+0.25*10=3.2
\n" ); document.write( "0.7+2.5=3.2
\n" ); document.write( "3.2=3.2
\n" ); document.write( "ok\r
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