3. Mr. Sanchez’s class sold fruit pies for $1. 55 each and Mr. Kelly’s class sold bottles of fruit juice for $1. 40 each. Together, the classes sold 60 items and earned $88. 20 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?.