document.write( "Question 191932: I always save my change week to week. This week I found all nickels and dimes. There were twice as many dimes as nickles and the value of the dimes was $.90 more than the value of the nickles. How many nickles and dimes do I have?
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Algebra.Com's Answer #144013 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! There were twice as many dimes as nickles and the value of the dimes was $.90 more than the value of the nickles. \n" ); document.write( ". \n" ); document.write( "Let n = number of nickels \n" ); document.write( "then \n" ); document.write( "2n = number of dimes \n" ); document.write( ". \n" ); document.write( ".10(2n) = .05n + .90 \n" ); document.write( ".20n = .05n + .90 \n" ); document.write( ".15n = .90 \n" ); document.write( "n = .90/.15 \n" ); document.write( "n = 6 (nickels) \n" ); document.write( ". \n" ); document.write( "Dimes: \n" ); document.write( "2n = 2(6) = 12 (dimes) \n" ); document.write( " \n" ); document.write( " |