document.write( "Question 1023045: A collection of nickels and dimes contains 9 fewer nickels than dimes. The total value of the collection is $3.15. How many nickels are in the collection?\r
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document.write( "I tried:
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document.write( "3.15=(0.10)d+(0.05)n
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document.write( "3.15=0.10d+0.05-9d\r
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document.write( "I got some weird answer like .715 for how many dimes were there. I'm lost. \n" );
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Algebra.Com's Answer #638588 by solver91311(24713) You can put this solution on YOUR website! \r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "is correct, but you are given that \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now solve for \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Note that\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "has the same solution set but is less confusing and less mistake-prone because of the elimination of the decimals.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "John \n" ); document.write( " \n" ); document.write( "My calculator said it, I believe it, that settles it\r \n" ); document.write( "\n" ); document.write( " |