bt792221 bt792221 28-05-2024 Mathematics Answered Bill is a school janitor. Last week, hepicked up a total of 9 pieces of trash. Ifhe picked up 8 pieces of trash in theclassrooms, how many pieces of trashdid Bill pick up outside the classrooms?☐☐ a) 9☐☐ b) 8☐☐ c) 2○ d) 1