document.write( "Question 556486: Hello :)
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document.write( "A collection of 56 coins has a value of $4.00. The collection contains nickles and dimes. Find the number of dimes in the collection.\r
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document.write( "What I have tried:
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document.write( " I made a chart\r
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document.write( "Value Quantity Total Value
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document.write( ".5 x .5x
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document.write( ".10 56-x .10(56-x)\r
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document.write( ".5x(56-x).10= 4.00\r
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document.write( "I think I messing something up here because I know I am supposed to have 24 dimes but I most definitely not getting that.
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document.write( "Any help is greatly appreciated :) \n" );
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Algebra.Com's Answer #362201 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! This problem requires trial and error because \n" ); document.write( "1 piece of information is given and 2 things are unknown \n" ); document.write( "If 56 coins were all dimes, I have $5.60 \n" ); document.write( "If I have 46 dimes and 10 nickels, I have \n" ); document.write( "$4.60 + $.50 = $5.10 \n" ); document.write( "If I have 36 dimes and 20 nickels, I have \n" ); document.write( "$3.60 + $1.00 = $4.60 \n" ); document.write( "If I have 26 dimes and 30 nickels, I have \n" ); document.write( "$2.60 + $1.50 = $4.10 \n" ); document.write( "If I have 25 dimes and 31 nickels, I have \n" ); document.write( "$2.50 + $1.55 = $4.05 \n" ); document.write( "If I have 24 dimes and 32 nickels, I have \n" ); document.write( "$2.40 + $1.60 = $4.00 \n" ); document.write( "There are 24 dimes \n" ); document.write( " |