document.write( "Question 48655: A coin collector has $45 in quarters and dimes. How many coins of each kind does he hae if the total number of his coins is 240?\r
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document.write( "Thank you for all your help! \n" );
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Algebra.Com's Answer #32200 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A coin collector has $45 in quarters and dimes. How many coins of each kind does he hae if the total number of his coins is 240? \n" ); document.write( "--------------------------------------- \n" ); document.write( "Quarter DATA: \n" ); document.write( "number of quarters= x ; value of these quarters = 25x cents \n" ); document.write( "----------------------------------- \n" ); document.write( "Dime DATA: \n" ); document.write( "number of dimes= 240-x ; value of these dimes = 10(240-x)=2400-10x cents \n" ); document.write( "------------------------------------- \n" ); document.write( "EQUATION: \n" ); document.write( "value + value = value \n" ); document.write( "25x + 2400-10x = 4500 cents \n" ); document.write( "15x=2100 \n" ); document.write( "x=140 (number of quarters) \n" ); document.write( "200-x=60(number of dimes)\r \n" ); document.write( "\n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |