87 cities were surveyed to determine sports teams. 22 had baseball, 23 had football, 19 had basketball, 12 had baseball and football, 10 had baseball and basketball. 13 had football and basketball. 5 had all three. How many had only basketball?

Draw a tape diagram to represent each situation.for some of the situations,you need to decide what to represent with a variable andre bakes 9 pans of brownies.he donates 7 pans to the school bake sale and keeps the rest to divide equally among his class of 30 students