A bag contains 3 red marbles, 7 blue marbles, 3 yellow marbles, and 2 lavender marbles. How many sets of 4 marbles include one of each color marble?

Question

anonymous · Answer

i forgot what it is called i think it has to do with binomial coefficients @Hero

anonymous · Answer

yeah whoever made it should have clarified

anonymous · Answer

sorry 126 is the answer on the review not sure how they got it

anonymous · Answer

@eliassaab any clues?

anonymous · Answer

126 is right

anonymous · Answer

3(7)(3)(2)=126

anonymous · Answer

The question is legitimate and the answer is 126

anonymous · Answer

how did you figure that out? @eliassaab

anonymous · Answer

3 red marbles, 7 blue marbles, 3 yellow marbles, and 2 
How many possibilities to have one of the colors to be red =3
etc
and you multiply out

anonymous · Answer

oh so you pretty much multiply every number
?

anonymous · Answer

Yes

anonymous · Answer

they try to trick you right with the wording?

anonymous · Answer

Kind of

anonymous · Answer

oh ok awesome thank you! i was doing all these diagrams trying to figure it out when it was a simple problem haha

anonymous · Answer

YW