document.write( "Question 548721: Newgy has twice as many nickels as dimes and four times as many pennies as nickels. if she has a total of $2.80, how many of each coin does she have ? \n" ); document.write( "
Algebra.Com's Answer #357179 by stanbon(75887) ![]() You can put this solution on YOUR website! Newgy has twice as many nickels as dimes and four times as many pennies as nickels. if she has a total of $2.80, how many of each coin does she have ? \n" ); document.write( "---- \n" ); document.write( "Let # of dimes be \"x\": \n" ); document.write( "Then # of nickels is \"2x\": \n" ); document.write( "And # of pennies is \"8x\":\r \n" ); document.write( "\n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "10x + 5(2x) + 8x = 280 cents \n" ); document.write( "28x = 280 \n" ); document.write( "x = 10 (# of dimes) \n" ); document.write( "2x = 20 (# of nickels) \n" ); document.write( "8x = 80 (# of pennies) \n" ); document.write( "=========================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============ \n" ); document.write( " \n" ); document.write( " |