document.write( "Question 387073: Niki has 8 coins worth $1.40. Some of the coins are nickles and some are quarters. How many quarters and nickles does Niki have? \n" ); document.write( "
Algebra.Com's Answer #275495 by robertb(5830)![]() ![]() You can put this solution on YOUR website! 0.05n + 0.25(8 - n) = 1.40; \n" ); document.write( "0.05n + 2 - 0.25n = 1.40; \n" ); document.write( "-0.2n = -0.6; \n" ); document.write( "n = 3, the number of nickels, and \n" ); document.write( "8 - n = 5, the number of quarters.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |