3. Mr. Sanchez's class sold fruit pies for $1.45 each and Mr. Kelly's class sold bottles of fruit juice for $1.25 each. Together, the classes sold 53 items and earned $70.85 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?