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)![]() ![]() ![]() You can put this solution on YOUR website! 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( " |