document.write( "Question 343930: Susan has a number of dimes and quarters in her pocket. \r
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document.write( "She has a total of 84 coins, and the total dollar value of all dimes and quarters is $15.\r
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document.write( "Write two equations, using variables “d” and “q” to represent the number of dimes and quarters Susan has.\r
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document.write( "Solve those two equations using either the substitution or elimination method to find how many dimes and how many quarters she has. \n" );
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Algebra.Com's Answer #246039 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! given: \n" ); document.write( "(1) \n" ); document.write( "(2) \n" ); document.write( "Multiply both sides of (1) by \n" ); document.write( "and subtract (1) from (2) \n" ); document.write( "(2) \n" ); document.write( "(1) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "And, from (1), \n" ); document.write( "(1) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "She has 40 dimes and 44 quarters \n" ); document.write( "check answer: \n" ); document.write( "(2) \n" ); document.write( "(2) \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "OK \n" ); document.write( " |