5x-3-7=9+2x-16
5x-10=2x-7
5x-2x=-7+10
3x=3
X=1
They need to sell 33, unless you round it up then 34.
Step-by-step explanation:
The probability of not selecting green or yellow marble is equal to the probability of selecting red and blue marble
n(S) =17
n(A)=5 (red)
n(B)=6 (blue)
answer is 5+6/17
=11/17
Nani!? Omae wa mou shindeiru