document.write( "Question 1062775: May has Php 7.50 in 10 cents and 25 cents coins.The number of 25 cents coins is n.If the number of 10 cents coins is 3 less than 4 times the number of 25 cents coins,how many coins of each denomination does she have?
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Algebra.Com's Answer #677781 by addingup(3677) You can put this solution on YOUR website! 0.25n+0.10(4n-3) = 7.50 \n" ); document.write( "0.25n+0.40n-0.30 = 7.50 \n" ); document.write( "0.65n = 7.80 \n" ); document.write( "n = 12 He has 12 0.25 coins = Php 3 \n" ); document.write( "The difference is 0.10 coins: \n" ); document.write( "7.50-3 = 4.50; 4.50/0.10 = 45 \n" ); document.write( "He has 12 0.25 coins and 45 0.10 coins \n" ); document.write( " |