document.write( "Question 97338: can you help me to solve this problem please:\r
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document.write( "SUzy has a piggy bank consisting of nickels and dimes. if there are 30 coins worth $1.90 how many nickels and dimes are in the bank? \r
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document.write( "thanks \n" );
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Algebra.Com's Answer #70841 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! SUzy has a piggy bank consisting of nickels and dimes. if there are 30 coins worth $1.90 how many nickels and dimes are in the bank? \n" ); document.write( "---------- \n" ); document.write( "Let number of nickels be \"x\" ;Value of these is 5x cents \n" ); document.write( "--------- \n" ); document.write( "Number of dimes is \"30-x\" ; Value of these is 10(30-x)= 300-10x cents \n" ); document.write( "------------ \n" ); document.write( "EQUATION: \n" ); document.write( "value + value = 190 cents \n" ); document.write( "5x + 300-10x = 190 \n" ); document.write( "-5x = -110 \n" ); document.write( "x = 22 (number of nickels) \n" ); document.write( "30-x= 8 (number of dimes) \n" ); document.write( "======== \n" ); document.write( "Cheers, \n" ); document.write( "stan H. \n" ); document.write( " |