document.write( "Question 290807: a jar containing only nickels and dimes contains 60 coins. The value of all the coins in the jar is $4.45. solve by elimination to find the amount of nickels and dimes are in the jar
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Algebra.Com's Answer #210456 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! N+D=60 MULTIPLY THIS EQUATION BY -.05 & ADD \n" ); document.write( ".05N+.10D=4.45 \n" ); document.write( "-.05N-.05D=-3 \n" ); document.write( "----------------- \n" ); document.write( ".05D=1.45 \n" ); document.write( "D=1.45/.05 \n" ); document.write( "D=29 DIMES. \n" ); document.write( "60-29=31 NICKELS. \n" ); document.write( "PROOF: \n" ); document.write( ".05*31+.10*29=4.45 \n" ); document.write( "1.55+2.90=4.45 \n" ); document.write( "4.45=4.45 \n" ); document.write( " |