document.write( "Question 379319: A Bag contains 8 red, 10 white, and 4 blue marbles. Find the probability of obtaining a red or blue marble in a single draw.\r
\n" ); document.write( "\n" ); document.write( "I can't seem to understand it because I'm not used to picking two different colors. Not sure what to do.
\n" ); document.write( "

Algebra.Com's Answer #269521 by ewatrrr(24785)\"\" \"About 
You can put this solution on YOUR website!

\n" ); document.write( "Hi,
\n" ); document.write( "22 Marbles, of which 8 are red, 10 white and 4 blue
\n" ); document.write( "P(red 'or' blue in single draw) = 8/22 + 4/22 = 12/22 = 6/11 \n" ); document.write( "
\n" );