document.write( "Question 1104741: Isabel's penny bank is 1/4 full. After she adds 400 pennies, it is 2/3 full. How many pennies can Isabel's bank hold? \n" ); document.write( "
Algebra.Com's Answer #719432 by josgarithmetic(39620)\"\" \"About 
You can put this solution on YOUR website!
The 400 pennies is \"2%2F3-1%2F4\" of the bank's capacity.\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "\"2%2F3-1%2F4\"\r
\n" ); document.write( "\n" ); document.write( "\"8%2F12-3%2F12\"\r
\n" ); document.write( "\n" ); document.write( "\"5%2F12\"\r
\n" ); document.write( "\n" ); document.write( "-\r
\n" ); document.write( "\n" ); document.write( "x, capacity of bank in PENNIES\r
\n" ); document.write( "\n" ); document.write( "\"%285%2F12%29x=400\"\r
\n" ); document.write( "\n" ); document.write( "\"x=%2812%2F5%29%2A400\"\r
\n" ); document.write( "\n" ); document.write( "\"x=12%2A80\"\r
\n" ); document.write( "\n" ); document.write( "\"highlight%28x=960%29\"
\n" ); document.write( "
\n" );