There are 4 classrooms for fifth grade and 4 classrooms for sixth grade at a school. Each classroom has 20 students. A teacher is planning a field trip for some fifth and sixth grade students at this school. The teacher knows the following information: 90% of fifth and sixth grade students have permission to go on the trip. 4 teachers are going on the trip. The school requires 1 parent volunteer for every 8 students going on the trip. Part A How many parent volunteers are needed to go on the trip? Show your work or explain your answer. Enter your answer and your work or explanation. Part B All of the students, teachers, and parents going on the trip must ride in a school bus. The teacher needs to reserve 1 school bus for every 44 people. How many school buses does the teacher need to reserve? Show your work or explain your answer. Enter your answer and your work or explanation