document.write( "Question 614224: Soriano has 20 quarters and nickels. He has a total of three dollars. How many nickels does he have?\r
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document.write( "My own work:
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document.write( "Q(Quarters) 0.25 x 20-n = 5-0.25n
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document.write( "N(Nickels) 0.10 x n = 0.10n\r
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Algebra.Com's Answer #386462 by scott8148(6628)![]() ![]() You can put this solution on YOUR website! q + n = 20 ___ q = 20 - n\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "25q + 5n = 300\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "substituting ___ 25(20 - n) + 5n = 300 ___ 500 - 25n + 5n = 300 ___ 200 = 20n \n" ); document.write( " |