document.write( "Question 8809: How do I write an equation to help me slove this problem?:
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document.write( "Martha has some nickles and dimes worth $6.25. She has three times as many nickles as dimes. How many nickles does she have?
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document.write( "thank you for your help.
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Algebra.Com's Answer #11182 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! Let the number of dimes by \"x\". \n" ); document.write( "Then number of nickels is \"3x\" \n" ); document.write( "Value of dimes is 10x cents \n" ); document.write( "Value of nickels is 5(3x)= 15x cents \n" ); document.write( "Dquation: \n" ); document.write( " Value of dimes + Value of nickels = 625 cents \n" ); document.write( " 10x + 15x = 625 \n" ); document.write( " 25x = 625 \n" ); document.write( " x = 25 (number of dimes) \n" ); document.write( " 3x = 75 (number of nickels)\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |