Answer:
omg i'm so sorry thats the wronge answer i ment this to go to a diffrent question
Step-by-step explanation:
do you mean less than or equal to
x/3<= -6 x 3
x<= -18
surely it's 200 marbles bc 2/4 is equal to 1/2 and if u then half 400 you get 200
Concept: Statistics
