Roberto drew a marble at random from a bag containing 7 blue, 2 red, 8 green, and 6 black marbles. What is the probability that he picked a marble that is Not blue?

Question

Roberto drew a marble at random from a bag containing 7 blue, 2 red, 8 green, and 6 black marbles. What is the probability that he picked a marble that is Not blue?
A:7/23 B:16/23 C:7/16 D:2/3

Anonymous · Answer

so, how many total marbles? How many are not blue? you know, you don't have to start a whole new thread to add stuff to your post...

faith · Answer

help me with this math test