document.write( "Question 1189464: A box contains red, blue and green pens. If one pen is chosen at random, the probability that a red pen will be chosen is two times the probability for
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document.write( "a blue pen and three times the probability for a green pen. If there are 12 red pens in the box, how many pens are in the box?
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Algebra.Com's Answer #820853 by greenestamps(13200)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "Given: There are 12 red pens. \n" ); document.write( "Given: The probability of getting a red pen is twice the probability of getting a blue pen. \n" ); document.write( "Conclusion: The number of blue pens is half the number of red pens -- 6. \n" ); document.write( "Given: The probability of getting a red pen is three times the probability of getting a green pen. \n" ); document.write( "Conclusion: The number of green pens is one-third the number of red pens -- 4. \n" ); document.write( "ANSWER: The total number of pens in the box is 12+6+4 = 22 \n" ); document.write( " \n" ); document.write( " |