The dot plot shows how much hairdressers in margot's area charge for a woman's haircut. the least expensive cut is $25. margot described the data as having a spread from $25 to $47, seven gaps, a cluster from $35 to $36, and a center of $37.
where did margot make an error?

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?