document.write( "Question 314089: In a collection of coins, the number of quarters is twice the number of dimes and the number of nickels is five less than the number of dimes. How many type of each coin are in the collection, if the total amount of money is $9.50? \n" ); document.write( "
Algebra.Com's Answer #224525 by mananth(16949) You can put this solution on YOUR website! let dimes be x \n" ); document.write( "nickels = x-5 \n" ); document.write( "quarters = 2x \n" ); document.write( ".. \n" ); document.write( "Value of the coins \n" ); document.write( "10x+5(x-5)+25*2x=950 cents \n" ); document.write( "10x+5x-25+50x = 950 \n" ); document.write( "65x=975 \n" ); document.write( "x=975/65 \n" ); document.write( "x=15 dimes \n" ); document.write( "nickels = x-5 = 10 \n" ); document.write( "quarters = 2x = 30 \n" ); document.write( " |