document.write( "Question 250009: Penny collected some change in preparation for a garage sale. She collected two more nickles than twice the number of dimes and eight fewer quarters than twice the number of nickles. If the value of the quarters was $1.60 greater than four times the value of the nickles and dimes together, what was the total value of the change that Penny collected? \n" ); document.write( "
Algebra.Com's Answer #182016 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! the hard part of these coin problems is setting up the equations \n" ); document.write( "for every variable (unknown) we need another equation \n" ); document.write( "so if we have 3 unknowns we need 3 equations \n" ); document.write( "let n= nickels \n" ); document.write( "q=quarters \n" ); document.write( "d=dimes \n" ); document.write( "n=2d+2 \n" ); document.write( "2n-8=q \n" ); document.write( "25q=160+4(5n+10d) \n" ); document.write( "let me know what you get\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |