Nathaniel had a bag of 5 green marbles,3 blue marbles,6 red marbles, and 6 yellow marbles. find the probability if nathaniel pulls a blue marble doesn't replace it and then pulls another blue marbel.

3. mr. sanchez’s class sold fruit pies for $1.65 each and mr. kelly’s class sold bottles of fruit juice for $1.36 each. together, the classes sold 79 items and earned $118.17 for their school. (a) write and solve a system of equations that model the problem. show all your work. (b) which class earned more money? (c) how much more money did that class earn?