The third, fourth and fifth grade students at Adams Elementary School are taking a field trip to the history museum. There are a total of 180 students and adults going on this field trip. Respond to both parts by showing your work and restating the questions in your answers. PART A: If a bus can hold 48 people, how many buses will the school need to order for the trip? PART B: Each bus costs $125 for the day. What will be the total cost for all the buses needed on the field trip?