document.write( "Question 883309: A piggy bank contains only quarters and nickels, and there is a total of 60 coins. The total value of the coins in the bank is 7.40. How many quarters
\n" ); document.write( "are in the piggy bank? \n" ); document.write( "

Algebra.Com's Answer #534159 by Fombitz(32388) $\"\"$ $\"About$

You can put this solution on YOUR website!
1. $\"Q%2BN=60\"$
\n" ); document.write( "2. $\"25Q%2B5N=740\"$
\n" ); document.write( "Multiply eq. 1 by 5 and subtract from eq. 2,
\n" ); document.write( " $\"25Q%2B5N-5Q-5N=740-300\"$
\n" ); document.write( " $\"20Q=440\"$
\n" ); document.write( " $\"Q=22\"$
\n" ); document.write( "Then,
\n" ); document.write( " $\"N=60-22=38\"$
\n" ); document.write( " \n" ); document.write( "

\n" );