document.write( "Question 312492: Jim has a total of 50 coins. Some are nickels and some are quarters. Altogether he has $4.10. How many quarters does he have? How many nickels? \n" ); document.write( "
Algebra.Com's Answer #223497 by checkley77(12844)\"\" \"About 
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N+Q=50 OR N=50-Q
\n" ); document.write( ".05N+.25Q=4.10
\n" ); document.write( ".05(50-Q)+.25Q=4.10
\n" ); document.write( "2.50-.05Q+.25Q=4.10
\n" ); document.write( ".20Q=4.10-2.50
\n" ); document.write( ".20Q=1.60
\n" ); document.write( "Q=1.60/.20
\n" ); document.write( "Q=8 QUARTERS.
\n" ); document.write( "50-8=42 NICKELS.
\n" ); document.write( "PROOF:
\n" ); document.write( ".05*42+8*.25=4.10
\n" ); document.write( "2.10+2=4.10
\n" ); document.write( "4.10=4.10
\n" ); document.write( "
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