document.write( "Question 280095: The coin box of a vending machine contains 6 times as many quarters as dimes. If the total amount of money in quarters and dimes is $28.80, how many quarters and how many dimes are in the box? \n" ); document.write( "
Algebra.Com's Answer #203510 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! 25q+10d=2880 \n" ); document.write( "6d=q \n" ); document.write( "25*(6d)+10d=2880 \n" ); document.write( "160d=2880 \n" ); document.write( "16d=288 \n" ); document.write( "8d=144 \n" ); document.write( "d=18 \n" ); document.write( "6*d=q \n" ); document.write( "q=6*18 \n" ); document.write( "q=108 \n" ); document.write( "d=18 \n" ); document.write( "check \n" ); document.write( "25*108+10*18=2880 \n" ); document.write( " \n" ); document.write( " |