Abag contains 8 green marbles, 12 red marbles, and 16 blue marbles. what is the probability that a person reaches into the bag and randomly selects a green marble?

8/36 because:
8+16+12=36
and if you simplify it the answer will be 4/18 2/9

So the bag contains all the color marbles, which means you have to add all the marbles together..
8+12+16= 36
there are 8 green marbles from all the marbles together, that forms a fraction of 
8 / 36,that fraction can be simplified by dividing both 8 and 36 by 4
looking like 
8/4 over 36/4
which will give you 

2/9.!! That is the probability of a person reaching into the bad and randomly selecting a green marble.! Hope this helps!

Idon’t know but you’ll figure it out