A jar of cookies is one-third full. Kade added 8 additional cookies to the jar, now
the jar is three fifths full. How many
cookies does the jar hold when it is full?

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?