document.write( "Question 1143226: Box A contains nine cards numbered 1 through 9,and box B contains five cards numbered 1 through 5. A box is chosen at random and a card is drawn. If the number is even find the probability that the card came from Box A. \n" ); document.write( "
Algebra.Com's Answer #764042 by 4419875(21)\"\" \"About 
You can put this solution on YOUR website!
There is 1/2 chance of choosing box a and 4/9 of balls from it. Even={2,4,6,8}
\n" ); document.write( "Hence, \"%281%2F2%29%284%2F9%29=2%2F9\"
\n" ); document.write( "
\n" );