document.write( "Question 1122379: A child has a piggy bank that contains only quarters and dimes. All together there are 27 coins in the bank and the total value of the coins is $4.50. How many quarters and how many dimes are in the piggy bank? \n" ); document.write( "
Algebra.Com's Answer #738493 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! A child has a piggy bank that contains only quarters and dimes. All together there are 27 coins in the bank and the total value of the coins is $4.50. How many quarters and how many dimes are in the piggy bank? \n" ); document.write( "---------- \n" ); document.write( "d + q = 27 \n" ); document.write( "10d + 25q = 450 \n" ); document.write( "-- \n" ); document.write( "Sub for d in the 2nd eqn and find q, or vice versa. \n" ); document.write( "================ \n" ); document.write( "Or, \n" ); document.write( "27 dimes = 270 \n" ); document.write( "Each dime replaced by a quarter adds 15 cents. \n" ); document.write( "450 - 270 = 180 \n" ); document.write( "180/15 = 12 quarters \n" ); document.write( "15 dimes.\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |