document.write( "Question 199903This question is from textbook
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document.write( ": I need some help with this word problem.\r
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document.write( "A collection of 43 coins consists of dimes and quarters. The total value is $7.60. How many dimes and how many quarters are there? \n" );
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Algebra.Com's Answer #150267 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! A collection of 43 coins consists of dimes and quarters. The total value is $7.60. How many dimes and how many quarters are there? \n" ); document.write( ". \n" ); document.write( "Let d = number of dimes \n" ); document.write( "then \n" ); document.write( "43-d = number of quarters \n" ); document.write( ". \n" ); document.write( "then \n" ); document.write( ".10d + .25(43-d) = 7.60 \n" ); document.write( ".10d + 10.75 - .25d = 7.60 \n" ); document.write( "10.75 - .15d = 7.60 \n" ); document.write( "-.15d = -3.15 \n" ); document.write( "d = 21 (dimes) \n" ); document.write( ". \n" ); document.write( "quarters: \n" ); document.write( "43-d = 43-21 = 22 (quarters) \n" ); document.write( " |