Nicole pulls a colored marble out of a bowl, choosing the marble at random. There are 120 marbles in the bowl, of which 80 are black, 28 are white, and the rest are red. Use words and numbers to describe the probability that she will pull a red marble out of the bowl. Show your work.(4 points)

but a 4th grader wrote it short

There are 80 black marbles, 28 white marbles, and 8 red marbles. The probability of pulling a red marble is 8/120, which simplifies to 1/15.