document.write( "Question 1001265: In a pile of coins, there are 15 more quarters than loonies($1) the total amount of quarters and loonies is $21.25 how many quarters are there? \n" ); document.write( "
Algebra.Com's Answer #618495 by fractalier(6550)![]() ![]() You can put this solution on YOUR website! Call the number of quarters and loonies, x and y. \n" ); document.write( "Then we know x = y + 15, or x - y = 15. \n" ); document.write( "The value equation is \n" ); document.write( ".25x+(1)y = 21.25 \n" ); document.write( "We can add the first equation from the second and get \n" ); document.write( ".25x + y = 21.25 \n" ); document.write( "x - y = 15 \n" ); document.write( "and \n" ); document.write( "1.25x=36.25 \n" ); document.write( "and \n" ); document.write( "x= 29 quarters \n" ); document.write( " |