document.write( "Question 278287: you have $3.70 in dimes and quarters, you have 5 more quarters than dimes, how many how each coin do you have using substitution method. \n" ); document.write( "
Algebra.Com's Answer #202512 by mananth(16946) You can put this solution on YOUR website! you have $3.70 in dimes and quarters, you have 5 more quarters than dimes, how many how each coin do you have using substitution method.\r \n" ); document.write( "\n" ); document.write( "Let the dimes be x\r \n" ); document.write( "\n" ); document.write( "The quarters will be x+5\r \n" ); document.write( "\n" ); document.write( "The sum of their values = 370 cents\r \n" ); document.write( "\n" ); document.write( "10x+25(x+5)=370\r \n" ); document.write( "\n" ); document.write( "10x+25x+125=370\r \n" ); document.write( "\n" ); document.write( "35x=370-125\r \n" ); document.write( "\n" ); document.write( "x=245/35\r \n" ); document.write( "\n" ); document.write( "x=7 which is the number of dimes\r \n" ); document.write( "\n" ); document.write( "x+7= 7+5= 12 which is the number of quarters\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |