document.write( "Question 1008725: If Dakota has 4 times as many quarters as nickels and they have a combined value of 420 cents, how many of each coin does he have? \n" ); document.write( "
Algebra.Com's Answer #624318 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call the number of each q and n. \n" ); document.write( "Then we have \n" ); document.write( "q = 4n \n" ); document.write( "and the value equation is \n" ); document.write( "25q + 5n = 420 \n" ); document.write( "Now substitute and get \n" ); document.write( "25(4n) + 5n = 420 \n" ); document.write( "100n + 5n = 420 \n" ); document.write( "105n = 420 \n" ); document.write( "n = 4 nickels \n" ); document.write( "q = 16 quarters \n" ); document.write( " \n" ); document.write( " |