In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles. How many will he have to take out of his pocket to ensure that he has taken out at least one of each color?

A. 3
B. 7
C. 8
D. 9
E. 11

Question

In his pocket, a boy has 3 red marbles, 4 blue marbles, and 4 green marbles. How many will he have to take out of his pocket to ensure that he has taken out at least one of each color?

A. 3 
B. 7 
C. 8 
D. 9 
E. 11

anonymous · Answer

Please don't give answer only, explanation needed also

anonymous · Answer

Do I have to do probability?

kyanthedoodle · Answer

Hmm...well if he took all the red and blue marbles, then the next one he picks has to be green!

kyanthedoodle · Answer

So the total red marbles is 3, and the total blue marbles is 4. That plus 1 is...

anonymous · Answer

4 + 3 + 1 = 8

kyanthedoodle · Answer

Indeed! I believe that is the correct answer.

anonymous · Answer

Ok Thank You! ;)