### Home > CC4 > Chapter 10 > Lesson 10.2.3 > Problem 10-110

10-110.

Ambrose has a bag of marbles with

*R*red marbles,*G*green marbles,*B*blue marbles, and*Y*yellow marbles. Write an expression for each of the following situations. Homework Help ✎The probability of selecting a yellow marble.

The probability of selecting a blue or green marble.

The probability of selecting a purple marble.

Add the blue and green together.

How many purple marbles are there?